Question

calculate molecular mass of water and magnesium oxide ( H= 1, O=16,Mg=24)
$plz \: give \: me \: answer \: plz \: na$
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Answer 1

Answer:

Water=H20 therfpre I molecule of Oxygen which has mass of 16 and 2 molecules of hydrogenated having mass of 1 therefore total 16+2=18

Magnesium oxide =Mg0 :-Mg-24 0-16=Total 40

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Answer 2

Answer:

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