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My name is Ann [436]
3 years ago
6

Use the geometric mean (leg) theorem. What is the

Chemistry
2 answers:
mars1129 [50]3 years ago
5 0

Answer:

2/70

Explanation:

lisov135 [29]3 years ago
3 0

Answer:

b) 2 / 70

Explanation:

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3 years ago
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Determine the mass in grams of 4.69 x 1021 atoms of barium. (The
Virty [35]

Answer:

1.07 g Ba

Explanation:

Hello there!

In this case, according to the definition of the Avogadro's number and the molar mass, it is possible to say that 6.022x10^{23} atoms of barium equal one mole, and at the same time, 1 mole equals 137.327 grams of this element; thus, it is possible to say that 6.022x10^{23} atoms of barium have a mass of 137.327 grams; therefore, it i possible for us to calculate the required mass in grams as shown below:

4.69x10^{21}atoms*\frac{137.327gBa}{6.022x10^{23} atoms} \\\\=1.07gBa

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3 years ago
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Write the advantages of molecular formula​
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Its main advantage is <em>they information fits on one line of text</em> <u>(thus works well when using the formula in paragraphs)</u>. Disadvantages are <em>they can be confusing for larger molecules</em>

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