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CBSE Class 9 Answered

calculate relative molecular mass of water
Asked by sumanajith2018 | 13 Jan, 2021, 11:50: AM
answered-by-expert Expert Answer
Molecular mass of water-
 
For H2O molecule-
 
Relative mass of H- 1u
Relative mass of O- 16u
Water contains 2 hydrogen and one oxygen atom.
So,
Relative space molecular space mass space of space straight H subscript 2 straight O equals space 1 straight u cross times 2 plus 16 straight u equals 18 space straight u
Answered by Ravi | 13 Jan, 2021, 12:11: PM
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