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1)consider a 1.50 M solution of nitrous acid,HNO2 (ka=6.0*10^-4) what is molarity of H^+? what is...

1)consider a 1.50 M solution of nitrous acid,HNO2 (ka=6.0*10^-4)
what is molarity of H^+?
what is the PH?

2) indiacte speices if its an acid or base?
NH3
+h20
...>
<.... NH4+
+OH
C7H502H
+c6h5nh2
C75O2^-
+C6H5NH3^+
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