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1. hown many grams of Mg must react with HCl in order to produce 80.0 mL...

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Chemistry

1. hown many grams of Mg must react with HCl in orderto produce 80.0 mL of hydrogen gas at STP?
2. when dertermining the pressure of dry hydrogen gas, explain howthe measured atmospheric pressure is corrected for thefollowing:
a- the presence of water vapor
b- at level of liquid in the tube higher than in the beacher.
3. what special precautions should be taken when genetatinghydrogen gas
4. if 0.071g of magnesium is used in this experiment,what volume ofdry H2 gas would theorically be produced if it is measured at 20celcuis and 785mmHg.
5. what two safery precautions should you take when usingconcentrated HCl?

Answer & Explanation Solved by verified expert
3.9 Ratings (612 Votes)
1 At STP 1 mol of any gas has volume of 224 Litre 22400 mL Mg 2HCl MgCl2 H2 1 mol 1mol 24 g 22400 mL 80 mL 24 g Mg x 80 mL 22400 mL 00857 g Mg Therefore 00857 g grams of Mg must    See Answer
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