What is the pH of 0.001 mol dm-3 solution of sodium hydro...
What is the pH of 0.001 mol dm-3 solution of sodium hydroxide
14
13
12
11
Correct answer is D
[H+][OH−]=10−14
[H+]=10−14/[OH−]=10−14/(1∗10−3)=10−11
pH = -Log10[H+]
= - Log10[10-11] = - 1 * -11 Log10[10-11] = 1 = -1 * -11 * 1 = 11
The complex salt formed when aluminium dissolves in sodium hydroxide solution is ...
Which of the following represents saponification? ...
Which of the following is used as fuel in miners' lamp? ...
The diagram above represents the formation of ...
2H2(g) + O2(g) ⇌ 2H2O(g) ΔH = -ve what happens to the equilibrium constant of the reac...
Which of the following properties is NOT peculiar to matter? ...