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Q.

Calculate the gram molecular mass of water from the values of gram atomic mass of hydrogen and of oxygen. Gram atomic mass of hydrogen=1g Gram atomic mass of oxygen=16g

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a

10

b

18

c

15

d

20 

answer is B.

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Detailed Solution

Water Consists of 2 molecules of Hydrogen and 1 molecule of Oxygen.
Molecular mass= 2×1+16=18g/mol
Hence, 2 is the Correct option
 
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