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Mole_Calculations_#2

# Mole_Calculations_#2 - 6 H 12 O 6 x 6.022 x 10 23 molecules...

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MOLE CALCULATIONS #2 1) What is the mass of 0.750 moles of ZnSO 4 ? 2) How many molecules are there in 0.435 moles of C 6 H 12 O 6 ? 3) How many moles are there in 7.62 x 10 25 molecules of oxygen? 4) How many grams do 3.294 x 10 21 molecules of FeSO 4 mass? 5) How many molecules are there in 63.92 grams of CCl 4 ?

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Everett Community College does not discriminate on the basis of race, religion, creed, color, national origin, age, sex, marital status, disability, or veteran status. MOLE CALCULATIONS #2-SOLUTIONS 1) What is the mass of 0.750 moles of ZnSO 4 ? 0.750 mole ZnSO 4 x 161.5 g ZnSO 4 1 mole ZnSO 4 = 121 g ZnSO 4 2) How many molecules are there in 0.435 moles of C 6 H 12 O 6 ? 0.435 mole C
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Unformatted text preview: 6 H 12 O 6 x 6.022 x 10 23 molecules C 6 H 12 O 6 1 mole C 6 H 12 O 6 = 2.62 x 10 23 molecules C 6 H 12 O 6 3) How many moles are there in 7.62 x 10 25 molecules of oxygen? 7.62 x 10 25 molecules O 2 x 1 mole O 2 6.022 x 10 23 molecules O 2 = 127 moles O 2 4) How many grams do 3.294 x 10 21 molecules of FeSO 4 mass? 3.294 x 10 21 molecules FeSO 4 x 1 mole FeSO 4 x 6.022 x 10 23 molecules FeSO 4 1 mole FeSO 4 151.9 g FeSO 4 = 0.8309 g FeSO 4 5) How many molecules are there in 63.92 grams of CCl 4 ? 63.92 grams CCl 4 x 1 mole CCl 4 x 6.022 x 10 23 molecules CCl 4 153.8 g CCl 4 1 mole CCl 4 = 2.503 x 10 23 molecules CCl 4...
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Mole_Calculations_#2 - 6 H 12 O 6 x 6.022 x 10 23 molecules...

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