Respuesta :
Molarity is the ratio of the moles to the volume. The molar concentration of the potassium permanganate salt is 0.3M.
What is molar concentration?
Molar concentration is the division of the moles of the solute and the volume in the liters. The molarity can be estimated as:
Molarity = Moles ÷ Volume
Given,
Volume = 750 ml = 0.75 L
Moles are calculated as:
Moles = mass ÷ molar mass
= 35.7 ÷ 158.034
= 0.225 moles
Molar concentration is calculated as:
M = 0.225 ÷ 0.75
= 0.3 M
Therefore, 0.3 M is the molar concentration.
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