Dimethylnitrosamine, (CH3)N2O , is a carcinogenic (cancer-causing)substance that may be formed in foods, beverages, or gastricjuices 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) N2O molecules are present in 250 mgdimethylnitrosamine?c. What is the mass of 0.050 mole of ciimethylnitrosamine?d. How many atoms of hydrogen arein 1.0 mole of dimethylnitrosamine?e. What is the mass of 1.0 x 106 molecules of dimethylnitrosamine?f. What is the mass in grams of one molecule of dimethylnitrosamine?

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.