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  • 07-12-2017
  • Chemistry
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What is the molar concentration of h3o+ in a cola that has a ph of 4.240?

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W0lf93
W0lf93 W0lf93
  • 17-12-2017

The pH is calculated using the expression: pH = - log [H3O+].  
 To find the concentration of [H3O+] 
 [H3O+] = 10^(-pH)  
 Solving the RHS we have 10^(-4.240) = 0.1440 
 Hence the concentration of H3O+ is 0.1440.
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