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Brut [27]
3 years ago
11

How many significant figures does the number have? 9,000, 100

Chemistry
2 answers:
Dvinal [7]3 years ago
7 0

Answer:

9,000, 100 has 7 significant figures

Explanation:

grigory [225]3 years ago
5 0
<h2><u>ANSWER</u></h2>

  • There are <u>7</u> significant figures in <u>9</u><u>,</u><u>0</u><u>0</u><u>0</u><u>,</u><u>1</u><u>0</u><u>0</u><u>.</u>

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2. Using the following data, calculate the average atomic mass of magnesium (give your answer to the nearest
arlik [135]

Answer:

24.32

Explanation:

From the question given above, the following data were obtained:

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Mass of A = 24

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Mass of B = 25

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Isotope C:

Mass of C = 26

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The average atomic mass of Mg can be obtained as illustrated below:

Average atomic mass = [(Mass of A × A%)/100] + [(Mass of B × B%)/100] + [(Mass of C × C%)/100]

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= 18.888 + 2.5325 + 2.9042

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