2g of NaOH is dissolved in water to make 1L solution. The pH of solution is
A) 10.25
B)8.256
C) 12.70
D) 10.89

When 0.1 mole of NH_(3) is dissolved in water to make 1.0 L of solution , the [OH^(-)] of solution is 1.34 xx 10^(-3) M. Calculate K_(b) for NH_(3) .

When 0.1 mole of NH_(3) is dissolved in water to make 1.0 L of solution, the [OH^(-)] of solution is 1.30xx10^(-3)M. Calculate K_(b) for NH_(3).

10 g if NaOh us dissolved in 200 mL of solution. Calculate the strength.

4.0 g of NaOH are dissolved per litre of the solution at 298 K . Calculate the pH of the solution.