How many molecules are present in 9g of water
Answers
Answered by
85
We know molar mass of water is 18g.
Molecules in 18g are 6.022 x 10^23
Therefore in 9 gm are
6.022 x 10^23 /2 = 3.011 x 10^23 molecules
Molecules in 18g are 6.022 x 10^23
Therefore in 9 gm are
6.022 x 10^23 /2 = 3.011 x 10^23 molecules
Answered by
5
Step-by-step explanation:
H20
1×2+16
2+16
18
NO. OF MOLECULES= GIVEN MASS/MOLECULAR MASS × AVAGADRO NO.
9/18 × 6.022×10²³
3.011×10²³
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