Question

Hi please give me the Solution

Answer 1

Answer:

6.022*10^{23} molecules are equal to 1Mole

1Mole of CaCO_{3} has mass of 100g (mass of Calcium + mass of Carbon + 3 times the mass of Oxygen)

Therefore, 6.022*10^{23} molecules of CaCO_{3} has mass 100g

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Answer 2

Solution is in the above attachment