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Question

Calculate the number of moles present in 60g of NaOH.

A
1.2 moles
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B
1.5 moles
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C
2.5 moles
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D
0.15 moles
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Solution

The correct option is A 1.5 moles
given that, 60gNaOH
Molar mass =23+16+1=40g/mol
Moles =gramweightMolarMass
=6040=1.5moles

1106235_517282_ans_e7b4a1b94db64158bd56c8978bf17ab1.jpg

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