How many grams of Al are present in 0.2 mole of it?
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Calculate the number of hydrogen atoms in 0.1 mole of H2SO4.
Calculate the number of molecules in one kg of calcium chloride.
How many grams of HCl are present in 0.1 mole of it?
How many grams of H2O are present in 0.2 mole of it?