Sebanyak 100. 00 ml larutan ca(OH) 2 0. 10 M dicampurkan kedalam larutan CH3COOH 0. 10 M, ternyata pH campurannya=5. 00. Jika harga ka qsam asetat 1. 0×10–5, v
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Sebanyak 100. 00 ml larutan ca(OH) 2 0. 10 M dicampurkan kedalam larutan CH3COOH 0. 10 M, ternyata pH campurannya=5. 00. Jika harga ka qsam asetat 1. 0×10–5, volume larutan CH3COOH 0. 10 M adalah..
A. 100. 00 ml
B. 150. 00 ml
C. 200. 00 ml
D. 300. 00 ml
E. 400. 00 ml
A. 100. 00 ml
B. 150. 00 ml
C. 200. 00 ml
D. 300. 00 ml
E. 400. 00 ml
1 Jawaban
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1. Jawaban taufiq119
H+=ka.a/g
a=(H+ .g)/ka
=(10^-5 x 20)/10^-5
=20
2CH3COOH+Ca(OH)2--->(CH3COO)2Ca+H2O
maka volume Ch3COOH=20/0,1=200
karena koef nya 2 maka volumeb2 x 200=400 ml E.