600 mL of 0.01 M HCl is mixed with 400 mL of 0.01 M . The pH of the mixture is . (Nearest integer)

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Canvas Classes · Accepted Answer

Step 1 — Moles of :

From HCl:  mol

From  (dibasic):  mol

Step 2 — Total :
Total volume = 1000 mL = 1 L

Step 3 — pH:

Expressed as :

Answer: 186

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