Question

the molarity of 4 gram of NaOH dissolved in 500ml of water​

Answer 1

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Answer 2

Answer:

Active mass: Concentration of a substance expressed usually in moles per liter. (Molarity basically)

Number of moles =

40

4

=0.1 moles

V=500 ml=0.5 litres

Molarity / Active mass =

0.5

0.1

=0.2 mol/litre

Hope this answer will help you.