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19.02.2020 •
Chemistry
What is the poH of a 0.0235 M HCl solution?
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Ответ:
12.371
Explanation:
pH of a 0.0235 M HCl solution is;
pH = -log[H+ ] = -log(0.0235) = 1.629
pOH = 14.000 – pH = 14.000 – 1.629 = 12.371
Ответ:
A. The elements and material of the early earth originates from the death of the stars in the universe.
Explanation:
Planets are thought to have formed from the solar nebula, the disc-shaped cloud of gas and dust left over from the Sun's formation. The currently accepted method by which the planets formed is accretion, in which the planets began as dust grains in orbit around the central protostar.