Question

6.02*10^20 molecules of a substance weighs 14 mg. What is the molar mass of the subsatnce?

Answer 1

Answer:

6.02 * 10^20 -------------→14mg

6.023 *10^23 --------------→x

         x=6.02*10^23 *14 ÷6.02*10^20

           =__________mg

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