Mg(s)   +     2HCl(aq)        MgCl2(aq)    +   H2(g)  The  volume of hydrogen gas collected over water at 45°C  and pressure of 988 mmHg is 923 mL. What is the mass of Mg reacted (g) ( The pressure of water at 45°C is 71.88 mm Hg )

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Mg(s)   +     2HCl(aq)        MgCl2(aq)    +   H2(g) 

The  volume of hydrogen gas collected over water at 45°C  and pressure of 988 mmHg is 923 mL. What is the mass of Mg reacted (g) ( The pressure of water at 45°C is 71.88 mm Hg )

 

Select one:
a. 0.745 
b. 0.836                 
c. 0.788                
d. 1.04                 
e. 0.836       
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