Millimoles of calcium hydroxide required to produce 100 mL of the aqueous solution of pH 12 is . The value of x is (Nearest integer). Assume complete dissociation.

Question

Millimoles of calcium hydroxide required to produce 100 mL of the aqueous solution of pH 12 is . The value of x is  (Nearest integer). Assume complete dissociation.

Canvas Classes · Accepted Answer

Step 1 — Find  at pH = 12:

Step 2 — Dissociation of :

Step 3 — Millimoles in 100 mL:

Expressed as  mmol:

Answer: 5

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