3 years ago

How can a knowledge of chemistry help you be a more informed citizen?

1 answer:

galina1969 [7]3 years ago

8 0

Terms in this set (28) Explain how knowledge of chemistry can be a more informed citizens? Knowledge of chemistry and other sciences can help you evaluate the data presented, arrive at an informed opinion, and take appropriate action.

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Calculate the following quantity: molarity of a solution prepared by diluting 45.45 mL of 0.0404 M ammonium sulfate to 550.00 mL

dybincka [34]

Answer:

$M_2=3.34x10^{-3}M$

Explanation:

Hello!

In this case, since a dilution process implies that the moles of the solute remain the same before and after the addition of diluting water, we can write:

$M_1V_1=M_2V_2$

Thus, since we know the volume and concentration of the initial sample, we compute the resulting concentration as shown below:

$M_2=\frac{M_2V_2}{V_1} =\frac{45.45mL*0.0404M}{550.00mL}\\\\M_2=3.34x10^{-3}M$

Best regards!

5 0

2 years ago

Most elements on the periodic table are

ivanzaharov [21]

Answer:

Metals

Explanation:

hope this helps

5 0

2 years ago

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A reliable source is one that _____.

hodyreva [135]

D. Kinda simple, don’t think much explaining is needed.

7 0

3 years ago

Read 2 more answers

What is the valency of Aluminium and nitrate in Al(NO3)3 ?

Kitty [74]

Answer:xl/ck xLKsx

Explanation:sl/cs c/ls

3 0

3 years ago

Photochemical smog is formed when primary pollutants interact with

ivolga24 [154]

Answer: Sunlight.

Explanation:

Photochemical smog is formed when primary pollutants such nitrogen oxides and volatile organic compound (VOC) react with sunlight, forming a brown haze above cities.

Photochemical smog can only occur during the day.

5 0

3 years ago