Question

Please solve the problem​

Answer 1

Answer:

3)1.90m&1.910m

Explanation:

It is given that 25.3 grams of sodium carbonate is dissolved in water to form a solution of 250 mL .molar mass of na2co3=106g mol^-1.

na=7

carbonate 15

625-516=106

3) is the correct answer