Chemistry, asked by Sumit9863, 9 days ago

how many moles are there in 140g of cao

Answers

Answered by scapegoat

0

Answer:

2.5 mol

Explanation:

given mass= 140gm

atomic mass of Ca= 40

atomic mass of O = 16

molecular mass of CaO= 40+16=56

no. of moles= given mass/ molecular mass

=140/56

=2.5

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