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leximae7720
14.10.2019 •
Chemistry
Asolution has a (oh-) = 8.6 × 10-5 the poh=, ph=, (h+)=
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Ответ:
pOH = -log(8.6 x 10 ^-5)
pOH = 4.07
To calculate the pH we use the relation of pOH and pH, expressed as:
14 = pOH + pH
pH = 14 - 4.07 = 9.93
pH = -log [H+]
[H+] = 10^-9.93 = 1.16 x 10^-3 M
Ответ:
b) Harriet Tubman
Explanation: