Chemistry · Surface Chemistry
Which of the following salt solutions would coagulate the negatively charged colloid solution formed when FeCl3 is added to an excess of NaOH solution at the fastest rate?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 mL of 0.15 mol dm-3 CaCl2
- 210 mL of 0.1 mol dm-3 Ca3(PO4)2✓
- 310 mL of 0.1 mol dm-3 Na2SO4
- 410 mL of 0.2 mol dm-3 AlCl3
Correct answer
10 mL of 0.1 mol dm-3 Ca3(PO4)2
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