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1) Define mole. 2) How many moles are present in 34 grams of Cu(OH)2 ? 3) How many moles are present in 2.451023 molecules of

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1) Define "mole". 2) How many moles are present in 34 grams of Cu(OH)2 ? 3) How many moles are present in 2.451023 molecules of CHa ? 4) How many grams are there in 3.41024 molecules of NH3 ? 5) How much does 4.2 moles of Ca(NO3)2 weigh? 6) What is the molar mass of MgO ? 7) How many molecules are there in 24 grams of FeFs? 8) How many molecules are there in 450 grams of Na2SO4 ? 9) How many grams are there in 2.31024 atoms of silver? 10) How many grams are there in 7.41023 molecules of AgNO3 ? 1) How many grams are there in 7.51023 molecules of H2SO4 ? 12) How many molecules are there in 122 grams of Cu(NO3)2 ? 13) How many grams are there in 9.41025 molecules of H2 ? 14) How many molecules are there in 230 grams of CoCl ? 15) How many molecules are there in 2.3 grams of NH4SO2 ? 16) How many grams are there in 3.31023 molecules of N2/6 ? 17) How many molecules are there in 200 grams of CCl4 ? 18) How many grams are there in 11024 molecules of BCl3 ? 19) How many grams are there in 4.51022 molecules of Ba(NO2)2 ? 20) How many molecules are there in 9.34 grams of LiCl? 21) How many grams do 4.31021 molecules of UF F6 weigh? 22) How many molecules are there in 230 grams of NH4OH

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