What is the equilibrium concentration of PO4 in a 0.511 M solution of H3PO4 (Ka1 =...

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What is the equilibrium concentration of PO4 in a 0.511 M solutionof H3PO4 (Ka1 = 7.5E-3, ka2= 6.2E-8, ka3= 4.8E-13) I troes usingthe 5% rule but when i checked my work i was at 11%. I dont knowhow to solve this if i cant use the 5% rule. Help please.

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First We will use the relation pKa1 H2PO4H H3PO4 The important equilibrium reaction is H3PO4 H2O H3O H2PO4 Thus Ka1 H3OH2PO4H3PO4 75 x 103 Let See Answer

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What is the equilibrium concentration of PO4 in a 0.511 M solution of H3PO4 (Ka1 =...

70.2K

Verified Solution

Question

Chemistry

What is the equilibrium concentration of PO4 in a 0.511 M solutionof H3PO4 (Ka1 = 7.5E-3, ka2= 6.2E-8, ka3= 4.8E-13) I troes usingthe 5% rule but when i checked my work i was at 11%. I dont knowhow to solve this if i cant use the 5% rule. Help please.

Answer & Explanation Solved by verified expert

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