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KCl ,NaCl,Na2CO3,CuSO4 for these how to determine the pH valve in water. Please explain

KCl ,NaCl,Na2CO3,CuSO4 for these how to determine the pH valve in water. Please explain

Grade:11

1 Answers

Arun
25750 Points
5 years ago
NaCl is a salt of strong acid (HCl) and a strong base (NaOH).Therefore, its solution is neutral with
pH = 7
CuSO4 is a salt of strong acid (H2SO4) and weak base [CU(OH)2]. Therefore, its solution is acidic with pH
Na2CO3 is a salt of strong base (NaOH) and weak acid (H2CO3). Therefore, its solution is basic with pH >7

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