Home » Past Questions » Chemistry » What is the concentration of a solution containing 2g of NaOH in 100cm3 of solutio...

What is the concentration of a solution containing 2g of NaOH in 100cm3 of solutio...


Question

What is the concentration of a solution containing 2g of NaOH in 100cm3 of solution? [Na = 23, O =16, H = 1]

Options

A)
0.40 moldm\(^{-3}\)
B)
0.50 moldm\(^{-3}\)
C)
0.05 moldm\(^{-3}\)
D)
0.30 moldm\(^{-3}\)

The correct answer is B.

Explanation:

NaOH = 40, \(\frac{40}{2} = 0.05 \times \frac{1000}{100} = 0.5\)

More Past Questions:


Dicussion (1)