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Answer to Question #2444 in Inorganic Chemistry for Jenny

Question #2444
A sample of ammonia has a mass of 35.8 grams. How many molecules are in this sample?
Expert's answer
n = m(NH3)/FW(NH3) = 2.105mol;
N = NAn = 6.02∙1023∙2.105= 12.67∙1023 molecules

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