How many molecules are present in one in one gram of hydrogen?

Options

A. (a)`6.02xx10^(23)`
B. (b)`3.01xx10^(23)`
C. (c )`2.5xx10^(23)`
D. (d)`1.5xx10^(23)`

Answer

b

Explanation

`:'` 2 g of hydrogen `=6.02xx10^(23)` molecules
`:.` 1 g of hydrogen `=(6.02xx10^(23))/2`
`=3.01xx10^(23)` molecules