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A chemist prepares a solution of potassium permanganate (KMNO4) by measuring out 4.6 umol of potassium permanganate into a 300.mLvolumetric flask and filling the flask to the mark with water.Calculate the concentration in mmol/Lof the chemist's potassium permanganate solution. Round your answer to 2 significant digits.

Sagot :

The concentration of potassium permanganate solution is 0.015 mM.

Use the equation given below to calculate the molarity of solution,

Mili molarity of the solution = [Mili moles of solute × 1000]/[Volume of solution in mL]

Given,

Moles of the solute = 4.6 × 10⁻³ mmol

Volume of the solution = 300 mL

Substituting the values we get,

Mili molarity of the solution = [Mili moles of solute × 1000]/[Volume of solution in mL]

Mili molarity of the solution = [4.6 × 10⁻³ × 1000]/300 = 0.015 mM

Hence the mili molarity of the solution of potassium permanganate is 0.015 mM.

Learn more about mili molarity of the solution from the link given below.

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