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22-03-2024
Chemistry

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Assuming that a single drop is 0.05mL, how many drops of a 0.10MKI solution must be added to 100mL of 0.010M Pb(NO₃)₂ to just get a solution in which the concentration of KI is 0.020M?

a) 10 drops
b) 20 drops
c) 30 drops
d) 40 drops

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