Problem: How many molecules of nitrogen monoxide are in a 22.5 gram sample?

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FREE Expert Solution

We are asked to find the number of molecules of nitrogen monoxide (NO) that are in a 22.5-gram sample.


1. Compute for the number of moles NO:

To find the number of molecules of nitrogen monoxide (NO) that are in a 22.5-gram sample, recall the formula for Molar mass;

Molar mass NO = mass of NOmoles NO 

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Problem Details

How many molecules of nitrogen monoxide are in a 22.5 gram sample?