What is a Lewis acid?
Electron pair donor
TO
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25 cm3 of NaOH was titrated with 0.050 mol dm-3 HCl. NaOH + HCl --> NaCl + H2O. 21.5 cm3 HCl neutralised 25 cm3 NaOH. Concentration of NaOH in mol dm-3?
The forward direction of a chemical reaction is exothermic. What happens if you increase the temperature of the system?
a) Complete the balanced symbol equations: (2 marks) H2SO4 + NaOH HCl + Mg(OH)2