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Norma-Jean [14]
3 years ago
13

2) what is the mass of 6.02 x 1023 atoms of arsenic?

Chemistry
1 answer:
zzz [600]3 years ago
6 0
Data:
Arsenic Molar Mass = 74,9216 ≈ 75 u (<span>atomic mass unit)</span>

Solving:

1 mole of arsenic → 75g ------------ 6,02*10²³ molecules
..................................X -------------- 1 molecule

6,02*10²³X = 75
x = \frac{75}{6,02*10^{23}}
\boxed{x \approx 1,24*10^{24}grams}
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