Chemistry, asked by sibdhusharavuri7897, 1 year ago

4 grams of caustic soda contains

Answers

Answered by suraj6950
3
15cb is the answer I thought
Answered by divyagupta2
29
The approximate molar mass of NaOH is 40 g/mol. You have 4 g NaOH.

No. of moles of NaOH is given by

n=(Given mass)/(Molar mass)

= 4/40 = 0.1 mol

1 mol has 6.022 × 10^23 molecules.

Thus, 0.1 mol has 6.022 × 10^23 × 0.1 molecules i.e. 6.022 × 10^22 molecules.



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