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		<h1>DẠNG BÀI TẬP VỀ HỖN HỢP CHẤT KHÍ</h1>
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			<li>Thứ bảy - 17/10/2020 11:09</li>
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			Dạng 8: Dạng bài tập về hỗn hợp chất khí
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			<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><u><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">Bài 1</span></span></u></b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">: Trộn 16 lit CO và 7 lit O<sub>2</sub> rồi đốt thu được 17 lit hỗn hợp khí.</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;Tính H<sub>pư</sub></span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">Tính % Vhỗn hợp khí sau phản ứng</span></span></span></span><br  />
<img alt="" height="253" src="https://khobaitap.com/uploads/news/2020_10/image_495.png" width="634" /><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><u><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">Bài 2</span></span></u></b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">: Trộn 10 lit SO<sub>2</sub> và 4 lit O<sub>2</sub> rồi đốt có xúc tác thu được 12 lit hỗn hợp khí. </span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">a,Tính H<sub>pư</sub></span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">b,Tính % Vhỗn hợp khí sau phản ứng</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Đáp số: a, 50 %</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; b, %O<sub>2</sub>= 16,7%</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; % SO<sub>2</sub> = 50%; &nbsp;&nbsp;&nbsp;&nbsp;% SO<sub>3</sub> = 33,3%</span></span></span></span><br  />
<img alt="" height="293" src="https://khobaitap.com/uploads/news/2020_10/image_496.png" width="676" /><br  />
<img alt="" height="69" src="https://khobaitap.com/uploads/news/2020_10/image_497.png" width="351" /><br  />
<span style="font-size:12pt"><span style="line-height:150%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><u><span lang="PL" style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;Bài 4</span></span></span></u></b><u><span lang="PL" style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">:</span></span></span></u><span lang="PL" style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"> Hỗn hợp khớ SO<sub>2</sub> và O<sub>2</sub> có tỷ khối đối với H<sub>2</sub> bằng 24. </span></span></span><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">Sau khi đun nóng hỗn hợp đó với chất xúc tác ta thu được hỗn hợp khí mới có tỷ khối đối với H<sub>2</sub> bằng 30.</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="line-height:150%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">a. Xác định thành phần hỗn hợp trước và sau phản ứng?</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="line-height:150%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">b. Tớnh % mỗi khớ tham gia phản ứng?</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="line-height:150%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PL" style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">Hướng dẫn giải</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="line-height:150%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PL" style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">a. Trước phản ứng </span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="line-height:150%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">Gọi x, y lần lượt là số mol SO<sub>2</sub>, O<sub>2</sub> trong hỗn hợp </span></span></span></span></span></span><br  />
<img alt="" height="523" src="https://khobaitap.com/uploads/news/2020_10/image_498.png" width="457" /><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><u><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">Bài 5</span></span></u></b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">: Trong một bình kín chứa 3 mol SO<sub>2</sub>, 2 mol O<sub>2</sub> và một ít xúc tác V<sub>2</sub>O<sub>5</sub>. Nung nóng bình một thời gian thu được hỗn hợp khí A</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">a, Nếu H<sub>pư</sub> là 75% thì có bao nhiêu mol SO<sub>3</sub> được tạo thành</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">b, Nếu tổng số mol các khí trong A là 4,25 mol thì có bao nhiêu % SO<sub>2</sub> bị oxi hóa thành SO<sub>3</sub></span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">Giải: </span></span></span></span><br  />
<img alt="" height="327" src="https://khobaitap.com/uploads/news/2020_10/image_499.png" width="502" /><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><u><span lang="PL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">Bài 6</span></span></u></b><span lang="PL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">:</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;a, Cho hỗn hợp N<sub>2</sub> và O<sub>2</sub> có tỷ lệ thể tích 1:2. Tìm tỷ khối của hôn hợp so với không khí</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">b, Cho hỗn hợp gồm CH<sub>4</sub> và O<sub>2</sub> có tỷ lệ thể tích là 3:1</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Tìm % thể tích mỗi khí trong hỗn hợp</span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Tìm tỷ khối hỗn hợp trên so với H<sub>2</sub></span></span></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif">Giải:</span></span></span></span><br  />
<img alt="" height="240" src="https://khobaitap.com/uploads/news/2020_10/image_500.png" width="481" />
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