What is the osmolar concentration of a 33% solution of CaCl2?

Question

Question

Answer 1

Answer #1

A solution of 1 mol/L CaCl₂ has an osmolarity of 3 Osmol/L (1 mol Ca₂⁺ and 2 mol Cl⁻).

Molecular mass of CaCl₂ is 110.98g/mol per liter

i.e. 11.098g/mol per 100 ml is 1 molar

As per your requirement 33%CaCl₂ means 33g/100 ml that produces ~3M CaCl₂ solution

Now, 1 mol/L CaCl₂ osmolarity is 3 Osmol/L

Then, 3 x 3 = 9 Osmol/L for 33%CaCl₂

Answer 2

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