Question

If 90 mL of laundry bleach containing a 5.0% w/v concentration of sodium hypochlorite is recommended per load of laundry, what mass of sodium hypochlorite is being used per load?
5% w/v means 5 g NaOCl in 100 mL so in 90 mL there would be 5g x (90/100) = ? g.

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