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nirvana33 [79]
3 years ago
7

Which describes the best approach when conducting a scientific experiment?

Biology
2 answers:
kondor19780726 [428]3 years ago
8 0
The answer is A conduct repeated trials and make sure the experiment can be replicated
s344n2d4d5 [400]3 years ago
4 0

Answer;

A) conduct repeated trials and make sure the experiment can be replicated.

Explanation;

Scientific experiments are conducted to figure out answer and solve a problem and get info about hypothesis.

-Scientific methods involves observation, developing questions, formulating hypothesis, making an experiment, collecting data and analyzing results, making a conclusion, and communicating results.

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Explanation:

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If 35.0 g of CH3OH (MM = 32.0 g/mol) are dissolved in 500.0 mL of solution, what is the concentration of CH3OH in the solution?​
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The concentration of CH3OH in the solution is 2.18M

HOW TO CALCULATE MOLARITY:

  • The molarity of a solution can be calculated by dividing the number of moles by its volume as follows:

  • Molarity {M} = no. of moles (mol) ÷ volume (L)

  • According to this question, 35.0 g of CH3OH (MM = 32.0 g/mol) are dissolved in 500.0 mL of solution. The number of moles of methanol is calculated as follows:

no. of moles = 35g ÷ 32g/mol

no. of moles = 1.09mol

  • Molarity = no. of moles ÷ volume

Volume = 500mL = 0.500L

Molarity = 1.09mol ÷ 0.500L

Molarity = 2.18M

Therefore, the concentration of CH3OH in the solution is 2.18M

Learn more at: brainly.com/question/15948514?referrer=searchResults

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2 years ago
The building blocks of DNA are like alphabet letters, because they:
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This should be an example of population density which is how many individuals there are per unit of area.

I hope this helps.  Let me know if you were looking for a different answer.

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Help!!! 25 points!!!!
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The answer is B) II
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