Na2CO3 + 2HCl → 2NaCl + H2O + CO2

A. 5
B. 7
C. 3
D. 9

Correct Answer: Option C

C. 3

Explanation

Methyl orange is the best indicator for the reaction with range 3.1 – 4.4.

SEE ALSO  Determine the amount of electrons needed to deposit 6.4g of copper during the electrolysis of copper (ll) tetraoxosulphate (IV) solution [Cu = 64]

Copyright warnings! Do not copy.