Correct answer: AC. Sol: pH = 2  [H+] = 10–2 [Ca+2]= 2 3 10 5 10 moles. 2     = 3 5 10   x 40 = 200 mg. X = 200 ppm.

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Question

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Answer: AC

💡 Solution & Explanation

Sol: pH = 2  [H+] = 10–2 [Ca+2]= 2 3 10 5 10 moles. 2     = 3 5 10   x 40 = 200 mg. X = 200 ppm.

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