# Chapter 1 - Section 1.1 - Review of Basic Operations - Exercise - Page 10: 66

10g of potassium permanganate was used

#### Work Step by Step

Multiply the total quantity of tablets used with the amount of potassium permanganate in each tablet to obtain amount of potassium permanganate used: $2\times 5=10$ Thus, 10g of potassium permanganate was used

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