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Which causes a largest change in pH on addition to 20 ml 0.1 M acetic acid solution?

(A) Addition of distilled water

(B) Addition of 20 mol of 0.01 MCH3COOH

(C) Addition of 20 ml of 0.1 M HCl

(D) Addition of 20 ml of 0.1 M NaOH

Hrishant Goswami , 11 Years ago
Grade 10
anser 1 Answers
Navjyot Kalra

Last Activity: 11 Years ago

Moles of AcOH = 20 × 10−3 × 0.1 = 2 ×10−2

 

        Moles of NaOH = 20 × 10−3 × 0.1 = 2 × 10−3

 

        pH will change from acidic side to basic

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