Question

Find the percentage by mass of hydrogen in Acetic Acid (CH3COOH) (Give the answer in two decimal places)

Answer 1

Answer:

Mass of Acetic acid = mass of C + mass of H + mass of O

= 12×2 + 1×4 + 16×2

= 24+4+32

= 60g

Mass of H in Acetic acid = 4g

So

% of Mass Of H = 4/60 × 100

= 20/3

= 6.66% (approx)

which is the required ans

Answer 2

Answer:

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