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Earn +20 ptsQ: Does one mole of NH3 weigh more than one mole of H2O?
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How many grams of H2O are necessary to weigh out 1 mole of H2O?
The molar mass of water (H2O) is approximately 18 grams/mol. Therefore, you would need 18 grams of water to weigh out 1 mole of water.
How many grams are there in 1.57 moles of water?
1 mole H2O = 18.015g H2O 1.57mol H2O x 18.015g H2O/1mol H2O = 28.3g H2O
What is the mass in grams of 4.5 moles of h2o?
0.25 mole of H2O
How many moles O2 must react with excess H2 to form 7.89 mol H2O?
Oxygen limits the reaction, so......Balanced equation. 2H2 + O2 -> 2H2O 7.89 mole H2O (1 mole O2/2 mole H2O) = 3.95 mole oxygen gas needed ------------------------------------------
How many hydrogen atoms are in 593 grams of water?
593 g H2O x 1 mol/18 g x 2 mole H/mole H2O x6.02x10^23 H atoms/mole H = 4x10^25 atoms of H
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