Which volume and concentration of sodium hydroxide solution would react exactly with 9.60 g of a triprotic acid, H3Z\text{H}_3\text{Z}H3Z (Mr=192.0M_{\text{r}} = 192.0Mr=192.0)?
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 1.0 mol dm−3 NaOH(aq)1.0\text{ mol dm}^{-3}\ \text{NaOH(aq)}1.0 mol dm−3 NaOH(aq)
150 cm3150\text{ cm}^3150 cm3 of 1.0 mol dm−3 NaOH(aq)1.0\text{ mol dm}^{-3}\ \text{NaOH(aq)}1.0 mol dm−3 NaOH(aq)
300 cm3300\text{ cm}^3300 cm3 of 1.5 mol dm−3 NaOH(aq)1.5\text{ mol dm}^{-3}\ \text{NaOH(aq)}1.5 mol dm−3 NaOH(aq)