(Answered) A- calculate the number of moles of aluminum sulfur and

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A- Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 3.00 moles of aluminum sulfate, Al2(SO4)3. Express the number of moles of Al , S , and O atoms numerically, separated by commas.

B- Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 7.90 moles of magnesium perchlorate, Mg(ClO4)2. Express the number of moles of Mg , Cl , and O atoms numerically, separated by commas.

C- A sample of propane, C3H8 , contains 17.1 moles of carbon atoms. How many total moles of atoms does the sample contain? Express the total number of moles of carbon and hydrogen numerically.

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