How do you indicate ph change? (increase, decrease, remain the same)?

Indicate whether the Ph increases, decreases, or remains the same when each of the following is added:

a) Ca(C7H502)2 to a solution of HC7H5O2

b) pyridinium nitrate, (C5H5NH)(NO3), to a solution of C5H5N

c) ammonia to a solution of HCL

d) sodium hydrogen carbonate to a soln of carbonic acid.

e) NaClO4 to a solution of NaOHHow do you indicate ph change? (increase, decrease, remain the same)?
c) ammonia to a solution of HCL



ammonia is neutral so no effect on pH.How do you indicate ph change? (increase, decrease, remain the same)?
u must b in AP Chem I bet ...... actually i saw the source in someones answer.

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