Respuesta :
pH is logarithmically related to the concentration of H+ ions. This will be the formula that will be used for this problem. We calculate as follows:
HCN = H+ + CN-
1.85 g HCN ( 1 mol / 27.02 ) ( 1 mol H+ / 1 mol HCN ) = 0.068 mol H+
Concentration = 0.068 / 3.50 = 0.02 M
pH = -log 0.02
pH = 1.71
HCN = H+ + CN-
1.85 g HCN ( 1 mol / 27.02 ) ( 1 mol H+ / 1 mol HCN ) = 0.068 mol H+
Concentration = 0.068 / 3.50 = 0.02 M
pH = -log 0.02
pH = 1.71
The pH is mathematically given as
pH = 1.71
What is the pH?
Generally, the equation for the Chemical Reaction is mathematically given as
X= H^{+} + xN^{+}
Therefore
1.85 g X ( 1 / 27.02 ) ( 1 of H+ / 1 of X ) = 0.068 mol H+
The concentration of X
x = 0.068 / 3.50
x= 0.02 M
Therefore
pH = -log 0.02
pH = 1.71
For more information on Chemical Reaction
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