Question

2. A Scientist in a chemistry lab wants to make salt of pH 5.5 using acid and base. The table shows the acid and base present in the lab:

(1) HCl

(2) NaOH

(3) H2CO3

(4) NH4OH

(5) CH3COOH

Which of the acid and base he should use for reaction?

a) HCl and NaOH

b) H2CO3 and NaOH

c) HCl and NH4OH

d) CH3COOH and NaOH

Answer 1

Answer:

both option a,b and c,d

Explanation:

because all of this make a salt