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sertanlavr [38]
2 years ago
5

Need help with balance equation in chemistry

Chemistry
1 answer:
emmasim [6.3K]2 years ago
6 0
The balance is A Go check other answer I posted
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3 years ago
Read 2 more answers
A 25.0-mL sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The
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HA ⇄ H⁺ + A⁻ 
so:
\frac{[H^+][A^-]}{[HA]} = 1.5 x 10^{-5}
and now:
\frac{(x)(x)}{(0.150-x)} = 1.5 x 10⁻⁵
x is considered very small compared to 0.15
x² = 2.25 x 10⁻⁶
x = 1.5 x 10⁻³
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3 years ago
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