Chemistry Practice Problems Standard Temperature and Pressure Practice Problems Solution: If sufficient acid is used to react completely wit...

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Solution: If sufficient acid is used to react completely with 21.0 grams of Mg Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)  what volume of hydrogen at STP would be produced? 1. 9.68 liters 2. 19.37 liters 3. 10.60 liters 4. 22.40 liters 5. 4.84 liters

Problem

If sufficient acid is used to react completely with 21.0 grams of Mg
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) 
what volume of hydrogen at STP would be produced?

1. 9.68 liters

2. 19.37 liters

3. 10.60 liters

4. 22.40 liters

5. 4.84 liters