d) How many atoms of hydrogen are in 1.0 mol dimethylnitrosamine? e) What is the mass of 1.0 x10° molecules of dimethylnitrosamine? f) What is the mass in grams of one molecule of dimethylnitrosamine?

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Question 1: Dimethylnitrosamine, (CH3)₂N₂O, is a carcinogenic (cancer-causing) substance that
may be formed in foods, beverages, or gastric juices from the reaction of nitrite ion (used as a
food preservative) with other substances.
a) What is the molar mass of dimethylnitrosamine?
b) How many moles of (CH3)2N₂O molecules are present in 250 mg dimethylnitrosamine?
c) What is the mass of 0.050 mol dimethylnitrosamine?
Transcribed Image Text:Question 1: Dimethylnitrosamine, (CH3)₂N₂O, is a carcinogenic (cancer-causing) substance that may be formed in foods, beverages, or gastric juices from the reaction of nitrite ion (used as a food preservative) with other substances. a) What is the molar mass of dimethylnitrosamine? b) How many moles of (CH3)2N₂O molecules are present in 250 mg dimethylnitrosamine? c) What is the mass of 0.050 mol dimethylnitrosamine?
d) How many atoms of hydrogen are in 1.0 mol dimethylnitrosamine?
e) What is the mass of 1.0 x10° molecules of dimethylnitrosamine?
f) What is the mass in grams of one molecule of dimethylnitrosamine?
Transcribed Image Text:d) How many atoms of hydrogen are in 1.0 mol dimethylnitrosamine? e) What is the mass of 1.0 x10° molecules of dimethylnitrosamine? f) What is the mass in grams of one molecule of dimethylnitrosamine?
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