112. Solving a chemistry problem
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Product description
Which of the solutions with a concentration of components of 0.1 mol/dm3 should be taken to obtain the indicated pH value (<5):
a) NaHCO3 Na2CO3
b) CH3COOH CH3COONa
c) Na2HPO4 NaH2PO4
d) C6H5COOH C6H5COONa
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.