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
5.6
`8.431xx10^(23)`
`3.372xx10^(24)`

Solution :No. of atoms in ONE MOLECULE = no. of MOLES `xx6.022xx10^(23)=1.4xx6.022xx10^(23)=8.432xx10^(23)xx4=3.372xx10^(24)`


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