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Today at 2:17 AM
Biology

Answered

What is the concentration of KCl if 10 g are dissolved in enough water to make 12 L?

Answer :

Today at 2:22 AM

Answer:

Concentration = 0.011 M

Explanation:

Molarity is given by dividing number of moles by volume in Liters

Molarity = moles/volume

But;

Number of moles = mass/molar mass

= 10 g/ 74.55 g/mole

= 0.134 moles

Therefore;

Molarity = 0.134 moles/12 L

= 0.011 M

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