Chemistry, asked by MUSIAmmseleybableslo, 1 year ago

the mass of 1.5*10^26n molecules of a substance is 16 kg .the molecular mass of the substance is?

Answers

Answered by SirYaSir
52
Mass of 1.5 × 10^26 molecules  = 16000g
Mass of 1 molecule = 16000g / 1.5 × 10^26

Mass of 1 mole (6.022× 10^23)  molecules
 = 16000g × 6.022 × 10^23 / 1.5 × 10^26
 
 = 64.23467 g                                                                        
∴ Molecular mass of the substance is 64.23467 .
                                                               
    

SirYaSir: Hope it helps :) & if it does please mark as best ^_^
Answered by revanth100
9

Answer:

1.5 × 10^26 = 16000g

×

6.023×10^23 = x

then 64 amu

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