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Montano1993 [528]
3 years ago
9

How many molecules (or formula units) are in 138.56 g C4H10 Express your answer using four significant figures.

Chemistry
1 answer:
Semenov [28]3 years ago
7 0

Answer:

dont buy cheap and off we went

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How many moles are in 29.5 grams of Ax?
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The number of moles present in 29.5 grams of argon is 0.74 mole.

The atomic mass of argon is given as;

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The number of moles present in 29.5 grams of argon is calculated as follows;

39.95 g ------------------------------- 1 mole

29.5 g ------------------------------ ?

= \frac{29.5}{39.95} \\\\= 0.74 \ mole

Thus, the number of moles present in 29.5 grams of argon is 0.74 mole.

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