Question

calculate the molarity of 4 gm of sodium hydroxide in 200 ml solution.​

Answer 1

Answer:

Molecular mass of NaOH = 40

No. of gram moles in 4 g of NaOH =

40

4

=0.1

Volume of solution in litre =

1000

200

=0.2

Molarity=

Volume of solution in litre

No. of moles of solute

=

0.2

0.1

=0.5M

Explanation:

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Answer 2

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°°° Question °°°

• calculate the molarity of 4 gm of sodium hydroxide in 200 ml solution..

°° Solution °°°

• it put in 200 ml of solution. Molarity = 0.5M.