1.

A sample of phosphorus trichloride (PCl_(3))contains 1.4 moles of the substance. How many atoms are there in the sample?

Answer»

4
5.6v
`8.431 xx 10^(23)`
`3.372 xx 10^(24)`

Solution :1 MOLE of `PCl_(3)` contains `4 xx 6.02 xx 10^(23)` atoms.
`therefore 1.4` MOLES will CONTAIN `=3.372 xx 10^(24)` atoms.


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