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mamaluj [8]
3 years ago
9

What are spectroscopic binaries?

Chemistry
1 answer:
VMariaS [17]3 years ago
8 0

Answer:

spectroscopic binary. noun Astronomy. a binary star having components that are not sufficiently separated to be resolved by a telescope, known to be a binary only bythe variations in wavelength of emitted light that are detected by a spectroscope.

Explanation:

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Calculate the percent error in the atomic weight if the mass of a Cu electrode increased by 0.4391 g and 6.238x10-3 moles of Cu
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Answer:

10.77%

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Molar mass of Cu = mass deposited/number of moles of Cu

Molar mass of Cu = 0.4391 g/6.238x10^-3 moles

Molar mass of Cu = 70.391 g/mol

%error = 70.391 g/mol - 63.546 g/mol/63.546 g/mol × 100

%error = 10.77%

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