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Marizza181 [45]
3 years ago
12

Flask contains 0.420 mol of liquid bromine, br2. determine the number of bromine molecules present in the flask. express your an

swer numerically in molecules.
Chemistry
1 answer:
DIA [1.3K]3 years ago
7 0
Since it talks about the number of particles, we would need the Avogadro's number which is an empirical value equal to 6.022×10²³ particles/mole. Therefore, to determine the number of particles, such as molecules, just multiple the number of moles to the Avogadro's number:

Number of Br₂ molecules = 0.42 mol *6.022×10²³ molecules/mole = 2.53×10²³ molecules
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