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PilotLPTM [1.2K]
3 years ago
5

Determine an empirical formula from each set of

Chemistry
1 answer:
Lera25 [3.4K]3 years ago
5 0

Answer:

59.30% I

Explanation:

mi respuesta es esa porque es la más sercana

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Which type of energy uses the photoelectric effect?
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What is one use of the fluoride ion?
bearhunter [10]

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Fluoride is commonly used in dentistry to strengthen enamel, which is the outer layer of your teeth. Fluoride helps to prevent cavities. It’s also added in small amounts to public water supplies in the United States and in many other countries. This process is called water fluoridation.

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2 years ago
In a spacecraft tge carbon dioxide exhaled by the astronaut can be removed by the reaction with lithium hydroxide, LiOH accordin
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Answer:

30 moles

Explanation:

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3 0
2 years ago
(e) Another student investigated the rate of a different reaction
vodka [1.7K]

Answer:

0.07 g/s.

Explanation:

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

Mass lost = 9.85 g

Time taken = 2 min 30 s

Mean rate =?

Next, we shall convert 2 min 30 s to seconds (s). This can be obtained as follow:

1 min = 60 s

Thus,

2 min = 2 × 60 = 120 s

Therefore,

2 min 30 s = 120 s + 30 s = 150 s

Finally, we shall determine the mean rate of the reaction. This can be obtained as illustrated below:

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Mean rate =?

Mean rate = mass lost / time taken

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Mean rate = 0.07 g/s

Therefore, the mean rate of the reaction is 0.07 g/s

4 0
3 years ago
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