Question

friends please solve the marked problems please help me friends​

Answer 1

calcium=47.66, carbon=14.28, oxygen=38.05

sodium=57=47, oxygen=40.00, hydrogen=2.520

chlorine=63.88, calcium=36.11

magnesium=63.44, nitrogen=36.55

Answer 2

Answer:

The percent composition of NaOH, also known as sodium hydroxide, is 57.48 percent sodium, 40 percent oxygen, and 2.52 percent hydrogen.