What mass of nah2po4 must be added to 120 l of 020 m
What mass of NaH2PO4 must be added to 1.20 L of 0.20 M Na2HPO4 to make a buffer solution whose pH=6.90? pKa2(H3PO4)=7.21.
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the ionization energy for sodium is 496 kjmol the electron affinity for chlorine is -349 kjmol use these values and
when scuba diving you must equalize the pressure inside your body with the water outside every few meters you dive
what mass of nah2po4 must be added to 120 l of 020 m na2hpo4 to make a buffer solution whose ph690
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