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Sagot :
If you add 25 g of CaCl2 to 1000. mL of water, what concentration of the solution would be 0. 225 grams/liter
What is molarity?
Molarity or molar concentration(M) is defined as the amount of a substance in a given volume of solution.
It is also known as the moles of a solute in a liter of the solution.
How to determine the concentration
Formula:
Concentration or molarity = number of moles ÷ volume
The number of moles is derived thus;
Number of moles = mass ÷ molar mass
mass of CaCl2 = 25g and molar mass = 110. 98 g/mol
Number of moles = 25 ÷ 110. 98 = 0. 225 mol
Given the volume = 1000 ml = 1 liter
Concentration = 0.225 ÷ 1 = 0. 225 grams/liter
Therefore, If you add 25 g of CaCl2 to 1000. mL of water, the concentration of the solution would be 0. 225 grams/liter
Learn more about molarity here:
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