Question

20g of KOH in 250cm^3 of the solution find molarity

Answer 1

Answer:

Molarity = 1.44 M

Explanation:

m of solute = 20 g

v of solution = 250 cm³

mol mass of KOH = 56

no. of moles of KOH = 20/56 = 0.36

Molarity = (no. of moles x 1000) / 250

= 0.36 x 4

= 1.44 M