Calculate number of moles in 54 gm of water molecule .
( Atomic mass of O= 16 u H=1 u )
Answers
Answered by
1
Explanation:
The gram molecular mass is the sum of the gram atomic masses.
The atomic mass of H is 1 ans O is 16.
∴ Gram molecular mass = 2×1+16 =18g.
(b)
Answered by
1
Answer:
Given:
given mass(m)=54g
Molar Mass(M)= 18g( by molecular mass formula)
to find no. of moles(n) =?
Explanation:
No. of moles = m/M
= 18/54
=3
hence there are 3 molea in 54g of water.
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