If a single molecule of a substance weights 7.64x10^-23 g, what is its molar mas

Question

If a single molecule of a substance weights 7.64x10^-23 g, what is its molar mass Glossary Chapter 5 Keywords mole ratio theoretical yield actual yield limiting reactant mass spectrometry mole Avogadro constant molar mass percent mass percent stoichiometry atomic weight atomic mass unit Dalton isotopes weighted average upplementary Chapter 5 Check for Understanding questions hapter 5 Exercises ou may use a periodic table as needed.) Answers If a single molecule of a substance weighs 7.64 x 1023 g, what is its molar mass? .cekl0ng Which of the following contains the smallest number of molecules? A. 1.0 g H,O

Explanation / Answer

Solution :-

1 molecule = 7.64*10^-23 g

Molar mass = ?

1 mole = 6.02*10^23 molecules

Therefore

6.02*10^23 molecules * 7.64*10^-23 g / 1 molecule = 46.0 g per mol

Therefore molar mass = 46 g per mol

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