Mole_calculations_#1

# Mole_calculations_#1 - 62 g Na 2 O 1 mole Na 2 O = 230 g Na...

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MOLE CALCULATIONS #1 WORKSHEET 1) How many moles are in 40.0 grams of water? 2) How many grams are in 3.7 moles of Na 2 O? 3) How many atoms are in 14 moles of cadmium? 4) How many moles are in 4.3 x 10 22 molecules of H 3 PO 4 ? 5) How many molecules are in 48.0 grams of NaOH? 6) How many grams are in 4.63 x 10 24 molecules 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 #1 WORKSHEET - SOLUTIONS 1) How many moles are in 40.0 grams of water? 40.0 g H 2 O x 1 mole H 2 O 18.01 g H 2 O = 2.22 mole H 2 O 2) How many grams are in 3.7 moles of Na 2 O? 3.7 moles Na 2 O x
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Unformatted text preview: 62 g Na 2 O 1 mole Na 2 O = 230 g Na 2 O 3) How many atoms are in 14 moles of cadmium? 14 mole Cd x 6.022 x 10 23 atoms Cd 1 mole Cd = 8.4 x 10 23 atoms Cd 4) How many moles are in 4.3 x 10 22 molecules of H 3 PO 4 ? 4.3 x 10 22 molecules H 3 PO 4 x 1 mole H 3 PO 4 6.022 x 10 23 molecules H 3 PO 4 = 7.1 x 10-2 moles H 3 PO 4 5) How many molecules are in 48.0 grams of NaOH? 48.0 molecules NaOH x 1 mole NaOH x 6.022 x 10 23 molecules NaOH 40 g NaOH 1 mole NaOH = 7.23 x 10 23 molecules NaOH 6) How many grams are in 4.63 x 10 24 molecules of CCl 4 ? 4.63 x 10 24 molecules CCl 4 x 1 mole CCl 4 x 153.8 g CCl 4 6.022 x 10 23 molecules CCl 4 1 mole CCl 4 = 1180 g CCl 4...
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## This note was uploaded on 10/04/2010 for the course CHEM 145 taught by Professor Prezhdo during the Fall '08 term at University of Washington.

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Mole_calculations_#1 - 62 g Na 2 O 1 mole Na 2 O = 230 g Na...

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