Problem 7: Calculate the molarity of a Ti 3+ (aq) solution if100.0 mL of this so

Question

Problem 7: Calculate the molarity of a Ti 3+ (aq) solution if100.0
mL of this solution requires 29.8 mL of 32.1 mM MnO4 (aq)for
complete reaction. Use the balanced equation from Problem 3 to
answer this question.

This is a three step problem.
1) Calculate moles of MnO4 using
M×V (32.1 mM is 32.1×10 3M)
2) Convert moles of MnO4 to
moles of Ti 3+ using the balanced
equation.
3) Calculate molarity using moles of Ti 3+ ÷ volume of Ti3+
The calculations are all multiplication and division, so just
count the fewest digits in any of your measurements to
determine how many significant digits to keep in your answer.

Explanation / Answer

We Know that :

   Oxidation half cell :

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