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12.08.2020 •
Chemistry
What is the ph of 0.36M HNO3 ?
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Ответ:
0.44
Explanation:
We know that the pH of any acid solution is given by the negative logarithm of its hydrogen ion concentration. Hence, if I can obtain the hydrogen ion concentration of any acid, I can obtain its pH.
For the acid, HNO3, [H^+] = [NO3^-]= 0.36 M
pH= -log [H^+]
pH= - log[0.36]
pH= 0.44
Ответ:
*Note: Overall redox reactions do not show free electrons because they cancel each other out from both sides of the half-reaction equations.