Question

10^-2 mole of naoh was added to 10 litre of water the ph will change by

Answer 1

Answer:

Number of moles of NaOH = mass/molar mass = 4g / 40g/mol = 0.1mol. Molarity of NaOH = moles/volume in litres = 0.1mol/10L = 10-2 M Now,