Question

2
A solution contains Na Co, and NaHCO. 10 mL of the solution required 2.5 mL of0.1 MASO
for neutralisatino using phenolphthalein as indicator. Methyl orange is then added when a pune
mL of0.2 MH, SO, was required. The amount of Na CO, and NaHCO, in 1 litre of the solution is
(A) 5.3 g and 4.2 g (B)3.3 g and 6.2 g (C) 4.2 g and 5.3 g (D) 6.2 g and 3.38​

Answer 1

Answer:

d is correct answer...I hope help you