Question

what mass of naoh is present in0.5 mol of NaOH

Answer 1

Mass of naoh= 0.5*40(molar mass)=20

Answer 2

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MOLES OF NaOH = MASS ÷ MOLAR MASS

MOLAR MASS OF NaOH = 23+16+1=40g/mol

MOLES OF NaOH =MASS÷MOLAR MASS

MASS OF NaOH = MOLES × MOLAR MASS

MASS OF NaOH = 0.5 × 40

MASS OF NaOH = 20 g

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