Question

25.3 g of sodium carbonate, Na₂CO₃ is
dissolved in enough water to make 250 mL of
solution. If sodium carbonate dissociates
completely, molar concentration of sodium ions,
Na⁺ and carbonate ions, CO²⁻₃ are respectively
(Molar mass of Na₂CO₃ = 106 g mol⁻¹)
(a) 0.955 M and 1.910 M
(b) 1.910 M and 0.955 M
(c) 1.90 M and 1.910 M
(d) 0.477 M and 0.477 M

Answer 1

Answer:

25.3 g of sodium carbonate, Na₂CO₃ is

25.3 g of sodium carbonate, Na₂CO₃ isdissolved in enough water to make 250 mL of

25.3 g of sodium carbonate, Na₂CO₃ isdissolved in enough water to make 250 mL ofsolution. If sodium carbonate dissociates

25.3 g of sodium carbonate, Na₂CO₃ isdissolved in enough water to make 250 mL ofsolution. If sodium carbonate dissociatescompletely, molar concentration of sodium ions,

25.3 g of sodium carbonate, Na₂CO₃ isdissolved in enough water to make 250 mL ofsolution. If sodium carbonate dissociatescompletely, molar concentration of sodium ions,Na⁺ and carbonate ions, CO²⁻₃ are respectively

25.3 g of sodium carbonate, Na₂CO₃ isdissolved in enough water to make 250 mL ofsolution. If sodium carbonate dissociatescompletely, molar concentration of sodium ions,Na⁺ and carbonate ions, CO²⁻₃ are respectively(Molar mass of Na₂CO₃ = 106 g mol⁻¹)

(a) 0.955 M and 1.910 M

(b) 1.910 M and 0.955 M

(c) 1.90 M and 1.910 M✔

(d) 0.477 M and 0.477 M

Answer 2

Answer :- Option C) ...