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sdas [7]
3 years ago
9

Please help me I really need help

Chemistry
1 answer:
Nutka1998 [239]3 years ago
8 0

Answer:20 million years ago

Explanation:

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How many molecules are in 2.50 moles of carbon dioxide?
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Answer:

1.5055×10²⁴ molecules

Explanation:

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

Number of mole CO₂ = 2.5 moles

Number of molecules CO₂ =?

The number of molecules present in 2.5 moles CO₂ can be obtained as:

From Avogadro's hypothesis,

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2.5 mole of CO₂ = 2.5 × 6.022×10²³

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