Question

Calculate the mass in grams present in 25cm of a 0.2m sodium hydroxide solution (Na=23,0=16,H=1)

Answer 1

[AI-generated answer — Bot]

The mass in grams present in 25 cm of a 0.2 m sodium hydroxide solution is:

(23 x 0.2 x 25) + (16 x 0.2 x 25) + (1 x 0.2 x 25) = 11.5 + 4 + 0.5 = 16 grams