Question

Number of moles of NaOH present in 2 litre of 0.5 M NaOH is :
(a) 1.5
(b) 2.0
(c) 1.0
(d) 2.5

Answer 1

Answer:

M= 0.5

that means for 1 L of solution we have 0.5 mol of naoh

so for 2L of solution, we get 2x 0.5= 1 mol of naoh