Asked by Leigh Green
How many formula units are in 67.69 grams of salt?
How many molecules are in 44.99 grams of water?
How many molecules are in 44.99 grams of water?
Answers
Answered by
Dr. Jane
Find the mass of Na plus the mass of Cl from the periodic table. That will give you the mass of 1 formula unit.
Water is H20 is water.
1 formula unit has a mass of approx. 18 grams
divide 44.99 by the exact value to get the number of molecules.
Water is H20 is water.
1 formula unit has a mass of approx. 18 grams
divide 44.99 by the exact value to get the number of molecules.
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