Question

what is the molarity of a solution if 36.50 g potassium iodide (ki) is added to a container that is then filled with water to a final volume of 221 ml?

Answer 1

Molarity of solution is 0.95 M.

We know that,

Molarity = number of moles/Volume (in liters)

Number of moles = Given mass /Molar Mass

Molar Mass of KI =166 g/mol

also, We are given with mass of KI = 36.50 g

Number of moles = 36.50 /166

Number of moles = 0.21 moles

Molarity = number of moles/Volume (in liters)

We are given that, Volume of the solution is 221 ml

So,

Molarity = 0.21 × 1000/221

Molarity of KI = 0.95 M

To know more about Molarity:

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