4. Dimethyl nitrosamine, (CH3)2N20, is a carcinogenic substance that may be formed in foods, beverages or gastric juices from the reaction of nitrite ion with other substances. a. What is the molar mass of dimethyl nitrosamine? b. How many moles of dimethyl nitrosamine are present in 150 mg?

Chemistry: An Atoms First Approach
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Chapter5: Stoichiometry
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Problem 72E: Dimethylnitrosamine, (CH3)2N2O , is a carcinogenic (cancer-causing) substance that may be formed in...
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4. Dimethyl nitrosamine,(CH3)2N20, is a carcinogenic substance that may be formed in foods, beverages
or gastric juices from the reaction of nitrite ion with other substances.
a. What is the molar mass of dimethyl nitrosamine?
b. How many moles of dimethyl nitrosamine are present in 150 mg?
c. What is the mass of 0.75 moles of dimethyl nitrosamine?
d. How many atoms of hydrogen are in 1.25 mole of dimethyl nitrosamine?
e. What is the mass of 2.0 x 106 molecules of dimethyl nitrosamine?
f. What is the mass in grams of one molecule of dimethyl nitrosamine?
Transcribed Image Text:4. Dimethyl nitrosamine,(CH3)2N20, is a carcinogenic substance that may be formed in foods, beverages or gastric juices from the reaction of nitrite ion with other substances. a. What is the molar mass of dimethyl nitrosamine? b. How many moles of dimethyl nitrosamine are present in 150 mg? c. What is the mass of 0.75 moles of dimethyl nitrosamine? d. How many atoms of hydrogen are in 1.25 mole of dimethyl nitrosamine? e. What is the mass of 2.0 x 106 molecules of dimethyl nitrosamine? f. What is the mass in grams of one molecule of dimethyl nitrosamine?
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