Explain what is the mass of the sample in milligrams

Reference no: EM13521299

A sample of ammonia, NH3, contains 3.3x10^21 hydrogen atoms. What is the mass of the sample in milligrams?

a) 31
b) 16
c) 5.5
d) 3.3
e) 1.8

Reference no: EM13521299

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