What is the amount of potassium permanganate in 300mL of a 1 in 25 solution?
We have 1g of potassium permanganate in 25mL We have 300mL of solution
For every 25mL of that 300mL, we have 1g of KmnO4
300mL must have 12g of potassium permanganate (300ml/25mL)
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