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Calculate the number of moles in each of...

Calculate the number of moles in each of the following :
a. `11 g of CO_(2)`
b. `3.01 xx 10^(22)` molecules of `CO_(2)`
c. `1.12 L of CO_(2)` at `STP`

Text Solution

Verified by Experts

`44g of CO_(2) = 1 "mol"`
b. `6.023 xx 10^(23)` molecules `= 1 "mol"`
`3.01 xx 10^(22)` molecules `= (1 xx 3.01 xx 10^(22))/(6.023 xx 10^(23)) = 0.05 "mol"`
c. `22.4 L of CO_(2) = 1 "mol"`
`1.12 L of CO_(2) = (1 xx 1.12)/(22.4) = 0.05 "mol"`
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