Question

calculate mass and number of moles in 100ml of 0.2M Naoh​

Answer 1

Answer:

$molarity = \frac{no. \: of \: moles}{volume \: in \: litre}$

$0.2 = \frac{no. \: of \: moles}{0.1}$

$no. \: of \: moles = 0.02$

mass of NaOH = 0.02×40 = 0.8 gm