Answer 39.. who will answer me first I'll make it as a brainlist answer plz don't delay..
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Mass =No.of mole ×molar mass
Since,
Atomic mass =H2O=1×2+16=2+16=18
So,Molar mass =18
No.of molecules =5.5
Mass =No.of mole ×molar mass
=5.5×18=99
Since,
Atomic mass =H2O=1×2+16=2+16=18
So,Molar mass =18
No.of molecules =5.5
Mass =No.of mole ×molar mass
=5.5×18=99
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