Answer to Question #152193 in Chemistry for Ali shawaiz

Question

A solution of NaOH has a concentration of 7.5g/DM3.whatis the mass of NaOH contained in 500cm3?

Answer 1

500 cm³ = 0.5 dm³

Solution:

Density = Mass / Volume

Mass = Density × Volume

Hence,

the mass of NaOH = 7.5 g/dm³ × 0.5 dm³ = 3.75 g

Answer: the mass of NaOH is 3.75 grams.