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
What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen? [H = 1, O = 16] ...
A side effect of soft water is that...
What is the chemical symbol for Europium? ...
Which of the following needs to be hydrolysed before it shows reducing property? ...
The maximum electron in N shell is? ...
Which compound can be used as a reducing agent in a reaction? ...
Consider the reaction A(s) + 2B(g) → 2C(aq) + D(g) What will be t...