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How many molecules are present in 1g of...

How many molecules are present in `1g` of hydrogen gas?

A

`5.301xx10^(23)`

B

`6.346xx10^(23)`

C

`4.346xx10^(22)`

D

`3.01xx10^(23)`

Text Solution

Verified by Experts

The correct Answer is:
D
`1g H_(2) xx (1mol H_(2))/(2g H_(2)) xx (6.022xx10^(23))/(1 mol H_(2)) H_(2)` molecules
`= 3.011 xx 10^(23) H_(2)` molecules
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