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Ratling [72]
3 years ago
13

If a climate scientist says, "The CO2 concentration in 2018 was 407.4 ppm." What do they mean? *

Chemistry
1 answer:
Alinara [238K]3 years ago
6 0

Answer:

Ppm <u>means the concentration of vapors or gases</u> expressed in parts per million of polluted air.

Explanation:

In Chemistry and Physics, part per million or PPM is a measure that expresses the number of units of a certain existing substance for every million units of the mixture. (Concentration)

In climate the equation is used so:

  • ppm = parts of polluted air / million parts of air .
  • ppm = Liters of polluted air / 10∧6 Liters  of air.

This is used to find the concentration of gases expressed as parts of gas per million parts of the

 polluted air.

In this case, it would be<u> 407.4L of CO2 per 10∧6L of air.</u>

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3 years ago
A glucose solution that is prepared for a patient should have a concentration of 180 g/L. A nurse has 18 g of glucose. How
Irina-Kira [14]
<h3>Answer:</h3>

0.10 L

<h3>Explanation:</h3>

The concentration of glucose  is given as 180 g/L

The mass of glucose is 18 g

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  • When calculating molarity on the other hand, we divide number of moles of the solute by the volume  of the solution.
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Rearranging the formula,

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Explanation:

co+o2=co2

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