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JailsonSales91
@JailsonSales91
December 2019
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VALENDO 30 PONTOS
Qual a composição da fenolftaleína (C20H14O4) em termos de massa e de porcentagem de cada elemento em 1 mol desses compostos?
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satestonotr57n
Oie!
C: 12. 20 = 240 -------> 75,47%
H: 14 ----------------> 4,41%
O: 16x4 = 64 ---------> 20,12 % Total: 318
318 ------------- 100
240 ------------- x x= 75,47%
318 ------------ 100
64 -------------- x x = 20,12%
75,47 + 20,12 = 95.59 ----------> 100 - 95.59 = 4,41
1 votes
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C: 12. 20 = 240 -------> 75,47%
H: 14 ----------------> 4,41%
O: 16x4 = 64 ---------> 20,12 % Total: 318
318 ------------- 100
240 ------------- x x= 75,47%
318 ------------ 100
64 -------------- x x = 20,12%
75,47 + 20,12 = 95.59 ----------> 100 - 95.59 = 4,41