3 years ago

One mole of copper has a mass of 63.5 grams. Approximately how many atoms of copper are present in one mole of copper?

Chemistry

1 answer:

quester [9]3 years ago

7 0

Answer: 6*10^23 atoms

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olchik [2.2K]

Answer:

$\huge{5.77 \times {10}^{ - 5} m}$

Explanation:

The wavelength of a wave can be found by using the formula

$\lambda = \frac{c}{f} \\$

where

c is the speed of the wave

f is the frequency

From the question we have

$\lambda = \frac{3 \times {10}^{8} }{5.2 \times {10}^{ 12} } \\ \\ \\ \\ \large{ = 5.77 \times {10}^{ - 5} m}$

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