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14-12-2020
Chemistry

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13. what is the precent composition
of Ca (C2 H3 O2) 2

Respuesta :

komar123 komar123

14-12-2020

Answer:Ca C2h3o2 2

Explanation

find the molar mass of the compound

ca : 1 X 40.1 = 40.1

c: 4 x 12.01 = 48.04

H: 6 X 1.01 = 6.06

O: 4 X 16 = 64

add these up and get 158.11

then divide 158.11 by each element massand multiply by 100

Ca: 40.01/158.11 X 100 = 25.3%

C: 30.4%

H:3.8%

O: 40.5%

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