Question

What mass of water will contain same number of atoms as in 2.8 g of C 2H 4?
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Answer 1

Answer:

given mass = 2.8g

Molecular weight = 28

No.of moles = 2.8÷28 =1÷10=0.1 moles

water contains same no. of moles

n= x/18 x =18×0.1 =1.8grams

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Answer 2

Explanation:

ans will b 1.8g......................................