How do I calculate the change in pH if 50mL of water is added to 20mL of a 0.50 mol/L solution of hydrochloric acid?PH of water and hydrochloric acid?
You have to calculate the number of moles to find the pH. you diluted your solution with 20 ml of water so you can use this equation:M1V1=M2V2
M being concentration and V being volume.
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