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muminat
3 years ago
13

How did lavoisier revolutionize the science in chemistry

Chemistry
1 answer:
Tanya [424]3 years ago
3 0
Lavoisier revolutionised chemistry science with his discovery of the role oxygen plays in combustion. He recognised and labelled the elements oxygen and hydrogen; he was also largely opposed to the phlogiston theory which dictates that a fire-like element called phlogiston is contained within combustible elements and is released during combustion. These were his most noted contributions to science.
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Which of the following is NOT a produce of the neutralization reaction between hydrochloric acid and sodium carbonate?
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5 0
3 years ago
An unknown aqueous metal analysis yielded a detector response of 0.255. When 1.00 mL of a solution containing 100.0 ppm of the m
AVprozaik [17]

Answer:

1.022ppm is the unknown concentration of the metal

Explanation:

Based on Lambert-Beer law, the increasing in signal of a detector is directly proportional to its concentration.

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0.99X + 1ppm produce 0.502, thus, X is:

0.255 * (0.99X + 1 / 0.502) =

X = 0.503X + 0.508

0.497X = 0.508

X =

1.022ppm is the unknown concentration of the metal

3 0
2 years ago
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