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Grade: 11
        
KCl ,NaCl,Na2CO3,CuSO4 for these how to determine the pH valve in water. Please explain
one year ago

Answers : (1)

Arun
22958 Points
							
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
one year ago
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