sindy35111
02.10.2021 •
Chemistry
What is the mass of 6.43 x 1023 atoms C?
Answer in units of g.
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Ответ:
1.28 *10^1 g
Explanation:
6.43*10^23 atoms * 1 mol/6.022*10^23 atoms*12.01 g (Carbon atomic mass)/1 mol = 12.82369645 > (rounded and scientific notation) 1.28*10^1 g
Ответ: