Calculate the PH of 32 mmol of HCl in 75cm^3 solution. Assume HCl fully dissociates.
32 mmol = 0.032 mol
75cm3 = 0.075dm3
n = c x v so c = n / v
c = 0.032mol/0.075 dm3 = 0.426moldm-3
pH = -log[H+]
pH = -log(0.426) = 0.37 (no units)
AP
Related Chemistry A Level answers
All answers ▸Calculate the amount (in moles) of iron 3 nitrate in a 2.16g sample.
How does a catalyst effect the rate of reaction?
If hydrogen was burnt in a chamber full of oxygen, what would be the effect on the chamber pressure and why?
In the presence of ultraviolet light, ethane and chlorine react to give a mixture of products. What are the products of this reaction?