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Step1 : Calculate concentration of NaOH
Step2: Concentration of NaOH will be equal to hydroxide ion
Step3 : [H3O+][OH-] = Kw ; by using this we can find out hydronium ion concentration.
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Mass (of solute) given =0.471 g
Molar mass of NaOH = 39.997 g/mol
Volume = 225 mL = 0.225 L
Concentration of NaOH in terms of Molarity -
NaOH and OH- share 1:1 ratio. Hence concentration of NaOH will be equal to OH- ions.
Answer up to 3 significant figures -
Hydroxide ion concentration = 0.0523 M
Hydronium ion concentration = 1.91 × 10-13 M
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