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2. Навеску Н2С2О4*2Н2О массой 0,600 г растворили в мерной колбе вместимостью 100,0 мл. На титрование 20,00 мл полученного раствора израсходовали 18,34 мл NaOH. Определить молярную концентрацию раствора NaOH и его титр по Н2С2О4.
