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    100cm3 of 0.1M NaH2PO4 solution ismixed with 150cm3 0.2 H3PO4 solution. What are the total concentrations of Na , H and PO3-4 in the mixed solution
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    What have you tried, so far?
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    I tried to write the dissociation equations for both compounds but I couldn't I thought I could calculate the number of moles but I'm not sure what to do with them This really confused me, Is there any formula to calculate the total comcentration for ions of a diprotic weak acid
    What's the deffirence between it and a mono protic one.
 
 
 
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