Question

(a) 4g of sodium chloride was dissolved in 46g of water. Calculate mass percentage of the substance in the solution.​

Answer 1

Answer:

Sodium + Water → Sodium hydroxide + Hydrogen. (A)- 2Na(s) + 2H2O(l)→2NaOH(aq) + H2(g)

and thus 4+ 46 = 50

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Explanation: