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Vlad1618 [11]
1 year ago
11

How many grams are in 34,358 mg? "answer with 1 decimal place and no unit

Chemistry
1 answer:
saveliy_v [14]1 year ago
3 0

Answer:

34.4

Explanation:

You would divide the mg by 1000 to get the number of grams.

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D) Covalent Bonds

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Quizlet says so

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Answer:

1.2×10²³ atoms.

Explanation:

Data obtained from the question include:

Mole of propanone = 0.20 mole

Number of atoms of propanone =.?

From Avogadro's hypothesis, we understood that 1 mole of any substance contains 6.022×10²³ atoms.

This implies that 1 mole of propanone also contains 6.022×10²³ atoms.

Thus, we can obtain the number of atoms in 0.20 mole of propanone as illustrated below:

1 mole of propanone contains 6.022×10²³ atoms.

Therefore, 0.20 mole of propanone will contain = 0.2 × 6.022×10²³ = 1.2×10²³ atoms.

Thus, 0.20 mole of propanone contain

1.2×10²³ atoms.

6 0
3 years ago
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