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ElenaW [278]
3 years ago
7

How can line spectra be used to evaluate what elements are in an unknown sample?

Chemistry
1 answer:
mixer [17]3 years ago
7 0
My dear friend ✌ ✌

According to me,

The option (B)is right

Pls mark my answer as brainliest ✨

Thank you ⏪
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There are 34 qeustions on a test John answers 22 of them correctly what is his percent error
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Answer:

35.29%

Explanation:

% error = |experimental value - Accepted value| / Accepted Value x 100

Number of questions: 34

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%error = |22-34| / 34 x 100

Hence, John's percentage error is 35.29 % or 35.3%

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3 years ago
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