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Oxana [17]
2 years ago
14

How many molecules in 2.50 moles of NH; ?

Chemistry
1 answer:
Alexus [3.1K]2 years ago
6 0
To find out how many molecules you have, you need to multiply the number of moles with Avogadros constant: 2.50 * 6.022 * 10²³ = 1.5055 * 10^24.
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The density of silver is 10.5 g/cm3. what would be the mass (in grams) of a piece of silver that occupies a volume of 23.6 cm3?
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Hey there : !

density = 10.5 g/cm³

volume = 23.6 cm³

therefore:

D = m / V

10.5 = m / 23.6

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hope this helps!
6 0
2 years ago
Read 2 more answers
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