Question:

A 50.0-mL sample of 0.90 M sodium hydroxide is quickly added

Last updated: 7/10/2022

A 50.0-mL sample of 0.90 M sodium hydroxide is quickly added

A 50.0-mL sample of 0.90 M sodium hydroxide is quickly added to a calorimeter containing 50.0 mL of 0.90 M hydrochloric acid at 20.1°C. The equilibrium temperature of the reaction mixture is 26.7 °C. The reaction mixture weighs 99.85 g. HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O a. ΔT= _____ °C