Question

how many moles of metanol are dissolved in 500ml 3M aqueous solution of methanol

Answer 1

Molarity = 3 M

Volume = 500ml = 0.5L

Since,

Molarity = moles / volume in litres

So,

3 = moles / 0.5

Moles = 3 × 0.5

Moles = 1.5