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Acids, bases and titration — Question 39

Original QCE Vault practice · 4 marks

Q39 · Practice questionSimple familiar4 marks

QUESTION 39 (4 marks)

A cleaning solution contains 4.0×10−3 molL−1 sodium hydroxide at 25∘C.

a) Calculate its pOH and pH. [2 marks]

b) Calculate its pH after 10.0 mL is diluted to 250.0 mL. [2 marks]

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