Find molarity of a solution containing 2 gram NaOH in 500 ml solution?
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The molality is 0.50 mol/kg.
moles of NaOH = 10 g NaOH × 1mol NaOH40.00g NaOH = 0.25 mol NaOH
kilograms of H₂O = 500 g H₂O × 1kg H₂O1000g H₂O = 0.500 kg H₂O
molality = moles of solutekilograms of solvent=0.25mol0.500kg = 0.50 mol/kg
moles of NaOH = 10 g NaOH × 1mol NaOH40.00g NaOH = 0.25 mol NaOH
kilograms of H₂O = 500 g H₂O × 1kg H₂O1000g H₂O = 0.500 kg H₂O
molality = moles of solutekilograms of solvent=0.25mol0.500kg = 0.50 mol/kg
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