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General Chemistry 1 Midterm - Part 3 of 4
SAMPLE

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6. Chemical Quantities & Aqueous Reactions / Electrolytes / Problem 6

Suppose that the electrical conductivity of a solution is directly proportional to the total ions dissolved and using titration procedures the conductivity of three different solutions were measured:
(i) A 0.150 M NaOH is added dropwise in a 1.00 L of 0.150 M HCN solution.
(ii) A 0.150 M CaCl2 is added dropwise in a 1.00 L of 0.150 M Na3PO4 solution.
(iii) A 0.150 M NaBr is added dropwise in a 1.00 L of 0.150 M Pb(NO3)2 solution.
Match the following graphs to the correct titration. 
Three graphs showing conductivity changes during titrations of different solutions.

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