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Dovator [93]
2 years ago
15

0.444 mol C2H5OH= how many molecules

Chemistry
1 answer:
brilliants [131]2 years ago
8 0

Explanation:

hope it make sense to u :)

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Captures and stores energy for the cell by the process of photosynthesis
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Answer:

Chloroplasts captures and stores energy for the cell by the process of photosynthesis

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If an industrial worker knows that his chemical process is 87.3% efficient and he needs to
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If 3.89 × 1024 atoms of a noble gas is collected and it has a mass of of 848 grams, this element is most likely a. He b. Ne c. A
bearhunter [10]

Answer:

Xenon

Explanation:

Avogadro’s number represent the number of the constituent particles which are present in one mole of the substance. It is named after scientist Amedeo Avogadro and is denoted by N_0.

Avogadro constant:-

N_a=6.023\times 10^{23}

Let the molar mass of the element is x g/mol

So,

6.023\times 10^{23} atoms have a mass of x g

Also,

3.89\times 10^{24} atoms have a mass of \frac{x}{6.023\times 10^{23}}\times 3.89\times 10^{24} g

This mass is equal to 848 g

So,

\frac{x}{6.023\times 10^{23}}\times 3.89\times 10^{24}=848

x= 131.3 g/mol

This mass correspond to xenon.

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olchik [2.2K]

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