1.

Whichof thefollowingcontainsthe largestnumberof molecules ?

Answer»

`0.2 molH_(2) `
`8.0g H_(2)`
`17g ofH_(2)O `
`60g ofCO_(2)`

SOLUTION :`8.0gof H_(2) `
`2 gm ` of `H_(2) =6.023xx 10 ^(23)`
`8 gmof H_(2)=6.023xx 10 ^(23)xx4`
` = 24.092xx 10 ^(23) ` MOLECULES


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