Question

What is the citric acid concentration in a soda if it requires 32. 27 ml of 0. 0148 m naoh to titrate 25. 00 ml of soda?.

Answer 1

Answer:

soln

32.27ml-25.00

7.27 ÷ 0.0148

7248 answer

Answer 2

Titration

citric acid: CH₃COOH, c = 1

caustic soda: NaOH  c = 1

V₁M₁c₁=V₂M₂c₂ (c = valence)

$\tt 32.27\times 0.0148\times 1=25\times M_2\times 1\\\\M_2=0.019\:M$