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 ▸What is the definition of 'first ionisation energy'?
How does Hydrogen bonding arise in Water?
Explain in detail what do you understand by catalyst, what makes them so useful and give two example of catalytic processes including the name catalyst used.
Describe how propenal, propanal and propanone can be distinguished from one another by simple chemical tests.