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Summary Unit 3 calculations mole
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Calculations for mole.
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1) How many moles are in 40.0 grams of water? 2.2mol2) How many grams are in 3.7 moles of Na2O? 229.4g
3) How many atoms are in 14 moles of cadmium? 8.4322 x 10^24
4) How many moles are in 4.3 x 10^22 molecules of H3PO4? 0.0714 moles
5) How many molecules are in 48.0 grams of NaOH? 2.5 molecules
6) How many grams are in 4.63 x 10^24 molecules of CCl4? 1,182.8 grams
1) How many moles are in 15g of lithium? 2.2mol
2) How many grams are in 2.4 moles of sulfur? 76.94
3) How many moles are in 22 grams of argon? 0.55
4) How many grams are in 88.1 moles of magnesium? 2114.4 grams
5) How many moles are in 2.3 grams of phosphorus? 0.074mol
6) How many grams are in 11.9 moles of chromium? 619g
7) How many moles are in 9.8 grams of calcium? 0.24mol
8) How many moles are in 238 moles of arsenic? 17,830.96mol
What are the molecular weights of the following compounds?
9) NAOH= 39.997 g/mol
10) H2O= 18.01528 g/mol
11)MgCl2= 95.211 g/mol
12)H3PO4= 97.994 g/mol
13)MnSe7= 662.596 g/mol
14)(NH4)2 SO4= 132.14 g/mol
15) 189g
16) 1.26mol
17) 5g
18) 0.70mol
19) 364g
20) 70.6mol
21) 0.064g
22) 5.66 x 10^-9
23) 929.5g
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