Calculate the theoretical mass % of C and H in propenoic acid.

Question

Roger

Chemistry

12 March, 03:09

Calculate the theoretical mass % of C and H in propenoic acid.

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Ashlee Salinas · Answer 1

M (propenoic acid - C₃H₄O₂) = 72 g/mol.

ω (C) = M (C) : M (C₃H₄O₂) · 100%.

ω (C) = 3 · 12 g/mol : 72 g/mol · 100%.

ω (C) = 36 g/mol : 72 g/mol · 100%.

ω (C) = 50%.

ω (H) = M (H) : M (C₃H₄O₂) · 100%.

ω (H) = 4 · 1 g/mol : 72 g/mol · 100%.

ω (H) = 4 g/mol : 72 g/mol · 100%.

ω (H) = 5,55 %.