Question

calculate the mass of
${112cm}^{3}$
of H at STP​

Answer 1

Explanation:

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22.4 lit----> 1 mole of gas

0.112 lit-----> X

X × 22.4= 1×0.112

=> X × 22.4 = 0.112

=> X= 0.112/22.4

=>X = 0.005

Molar mass= 2

So mass of hydrogen =0.01

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Answer 2

Answer:

Check the attachment!