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12345 [234]
2 years ago
14

Can someone please help me out? Its due by midnight tonight!!!!

Chemistry
1 answer:
Sveta_85 [38]2 years ago
4 0

The pH of the solution is obtained as 2.23.

<h3>What is the pKa?</h3>

The pKa shows the extent to which an acid is dissociated in solution. Now we have;

        HCOOH(aq)   +    H2O(l) ⇔  HCOO-(aq)    +  H30+(aq)

Ka = [HCOO-] [ H30+]/[ HCOOH]

But =  [HCOO-] = [ H30+] = x

Ka = x^2/[HCOOH]

x = √Ka [HCOOH]

x = √0.19 *  1.8×10−4

x = 5.8 * 10^-3

pH = - log (5.8 * 10^-3)

pH = 2.23

Learn more about pH:brainly.com/question/2288405

#SPJ1

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