Amount of substance

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Question 48
Medium

Which amount of sodium hydroxide would react exactly with 4.80 g of a triprotic acid, H3X\text{H}_3\text{X}H3​X (Mr=192M_{\text{r}} = 192Mr​=192)?

250 cm3250\text{ cm}^3250 cm3 of 0.20 mol dm−3 NaOH(aq)0.20\text{ mol dm}^{-3}\ \text{NaOH(aq)}0.20 mol dm−3 NaOH(aq)

100 cm3100\text{ cm}^3100 cm3 of 0.25 mol dm−3 NaOH(aq)0.25\text{ mol dm}^{-3}\ \text{NaOH(aq)}0.25 mol dm−3 NaOH(aq)

150 cm3150\text{ cm}^3150 cm3 of 0.50 mol dm−3 NaOH(aq)0.50\text{ mol dm}^{-3}\ \text{NaOH(aq)}0.50 mol dm−3 NaOH(aq)

250 cm3250\text{ cm}^3250 cm3 of 0.90 mol dm−3 NaOH(aq)0.90\text{ mol dm}^{-3}\ \text{NaOH(aq)}0.90 mol dm−3 NaOH(aq)

Amount of substance Questions

  1. A Level
  2. /Chemistry
  3. /Amount of substance