Question

What volume of Hydrogen will be liberated at STP when 8gm of Calcium

completely reacts with water? Please Explained In A Detailed Way Friends ​

Answer 1

Answer:

Here, calculation is done, using the balanced chemical equation as follows:

Ca+2H

2

O→Ca(OH)

2

+H

2

According to the stoichiometry of reaction, 40 gm of Ca on complete reaction with water liberates =2 gm H

2

∴8 gm of Ca, on complete reaction with water will liberates =

40

2

×8 gm H

2

=0.40 gm H

2

=

2

0.40

×22400cm

3

=4480cm

3

of H

2

at S.T.P.

Answer 2

please mark brainliest. it is the correct answer. good luck.