How many moles are present in 180 g of water?
Moles of water =18018=10 mole.
How many moles are there in 180 g of H2O?
Explanation: The molecular weight of water is 18 (2+16). This means that in 18g of water is one mole. So, in 10 moles, there is 60.23×1023 molecules or 6.023×1024 molecules of water.
How many moles are present in grams of water?
The average mass of one H2O molecule is 18.02 amu. The number of atoms is an exact number, the number of mole is an exact number; they do not affect the number of significant figures. The average mass of one mole of H2O is 18.02 grams. This is stated: the molar mass of water is 18.02 g/mol.
How many moles is 108 grams of H2O?
Converting Between Grams and Moles
|Steps for Problem Solving||How many moles are present in 108 grams of water?|
|List other known quantities.||1molH2O=18.02g H2O|
|Prepare a concept map and use the proper conversion factor.|
|Cancel units and calculate.||108gH2O×1molH2O18.02gH2O=5.99molH2O|
|Think about your result.|
How many moles are in 75 grams of water?
Convert the mass to moles (using molar mass). There are 4.17 mol H2O in 75 grams of water.
How many moles of water are present in 720 gram of water?
Answer Expert Verified
So 1 mole of water weighs 18 gm. 720 grams of water contains 720/18 = 40 moles.
How many moles are in 25g of water?
Hence, 1.38 moles (mol) are present in 25 grams of water.