find the number of molecules in 90 g of water
Answers
Answered by
1
the answer is:
23
1 mol = 6.022*10. molecules then , 1 mol os water =18 gm so, 90g= 18*5 so, multiply,
5*6.022*10 raise to 23
the ans. is 30.11*10raise to 23
23
1 mol = 6.022*10. molecules then , 1 mol os water =18 gm so, 90g= 18*5 so, multiply,
5*6.022*10 raise to 23
the ans. is 30.11*10raise to 23
Nil27:
bro it is for atoms
Answered by
1
mol= M/W
= 90/18
=5
90g of H2O contain 5 molecules
= 90/18
=5
90g of H2O contain 5 molecules
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