Answer to Question #141360 in General Chemistry for yara

General Chemistry

Question #141360

280 grams of CaO is dissolved in enough water to make 10 L of solution.

Expert's answer

I guess your question is what the concentration of CaO in the solution

Molar mass of CaO = 40+16= 56g/mol

Mole of CaO dissolved = mass / molar mass = 280/56= 5 moles

Concentration = mole/ volume = 5mol/10L = 0.5mol/L

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