ashiteru123
27.10.2021 •
Chemistry
Which atom in the ground state has a completely filled outer electron energy level? A) He B) Be C) H D) Hg
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Ответ:
oh
Explanation:
Ответ:
n = m/M = 15/102.894 = 0.1457811 moles
c = n/V = n / 0.25 = 0.58312438 moles/dm3