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WINSTONCH [101]
3 years ago
14

ANSWER PLS GIVING BRAINLIEST TO WHO ANSWERS CORRECTLY

Chemistry
2 answers:
tatuchka [14]3 years ago
8 0

Answer:

It's actually not any of those it's a yellow dwarf

ale4655 [162]3 years ago
3 0

Answer:

Supergiant

Explanation:

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The ka of acetic acid ch3co2h is 1.8 x10-5. what is the ph
AysviL [449]
You must know the concentration of the acetic acid. Suppose the concentration is 0.1 M. The solution is as follows:

            CH₃COOH → CH₃COO⁻ + H⁺
 I                  0.1               0              0
C                 -x                +x            +x
E              0.1 - x             x               x

Ka = (x)(x)/(0.1 - x)
1.8×10⁻⁵ = x²/(0.1 - x)
Solving for x,
x = 1.333×10⁻³ = H⁺

pH = -log[H⁺] = -log(1.333×10⁻³)
pH = 2.88

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it is more than ¹00 celcwius so it would eveporate

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