What is the molarity of this solution? (Assume a density of 1.02 g/mL?
One brand of laundry bleach is an aqueous solution containing 4.87% sodium hypochlorite (NaOCl) by mass.What is the molarity of this solution? (Assume a density of 1.02 g/mL
One brand of laundry bleach is an aqueous solution containing 4.87% sodium hypochlorite (NaOCl) by mass.What is the molarity of this solution? (Assume a density of 1.02 g/mL
Trevor H
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Take 1.00L of the solution
This has mass = 1000*1.02 = 1,020g
It is 4.87% by mass
Mass of NaOCl = 4.87/100*1020 = 4.9674g NaOCl
Molar mass NaOCl =74.44 g/mol
4.9674g = 4.9674 / 74.44 = 0.0667 mol NaOCl in 1.0L of solution
Molarity = 0.0667M