Answered

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17) What is the molarity
of a solution with
55 grams of CaCl2
dissolved in .78 L
of water?
a. 64M
b. 1.3 M
c. 171 M
d. 91 M

Sagot :

ayimobuobi
Heya it seems you’ve made a mistake in one of your plausible answers.. as for me l got 0.64M so l am thinking the option a will be in a decimal form
samueladesida43

The molarity of a solution with 55 grams of CaCl2 dissolved in 0.78 L is 0.64M. Details about molarity is found below.

How to calculate molarity?

The molarity of a solution can be calculated by dividing the number of moles of the substance by its volume.

However, the number of moles of a substance must first be calculated using the following expression:

no of moles = 55g ÷ 111g/mol

no of moles = 0.49mol

Molarity of CaCl2 solution = 0.49mol ÷ 0.78L

Molarity of CaCl2 solution = 0.64M

Therefore, the molarity of a solution with 55 grams of CaCl2 dissolved in 0.78 L is 0.64M.

Learn more about molarity at: https://brainly.com/question/2817451

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