Asked by Akash
How many molecules of water and oxygen atoms are present in 0.9g of Water. this numerical is based on Mole Concept. Kindly solve it!!!
Answers
Answered by
DrBob222
You might try reading what you post. The question, as is, doesn't make sense. I'm sure you meant to write, "How many molecules of hydrogen and oxygen atoms .....".
How many moles are in 0.9 g H2O. That will be moles = grams/molar mass.
Convert moles H2O to molecules remembering that there are 6.022 x 10^23 molecules in a mole.
Since there is 1 atom of oxygen per molecules, that will be the number of atoms of oxygen. The atoms of hydrogen will be twice that.
How many moles are in 0.9 g H2O. That will be moles = grams/molar mass.
Convert moles H2O to molecules remembering that there are 6.022 x 10^23 molecules in a mole.
Since there is 1 atom of oxygen per molecules, that will be the number of atoms of oxygen. The atoms of hydrogen will be twice that.
Answered by
Fuker Tomas
You need to solve for the right answer for this problem.
Answered by
Ipsita
a) 18 g of water = 1 g-mol = 6.022x10^23 molecules of water
so, 0.9 g of H2O contain 3.011x10^22 molecules of water.
b) Since 1 molecule of water contain 1 atom of oxygen
So, 0.9 g of water contain 3.011x10^22 atoms of oxygen.
so, 0.9 g of H2O contain 3.011x10^22 molecules of water.
b) Since 1 molecule of water contain 1 atom of oxygen
So, 0.9 g of water contain 3.011x10^22 atoms of oxygen.
Answered by
Anonymous
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Answered by
VINAY KHANDELWAL
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