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natima [27]
3 years ago
10

This data was collected after conducting an experiment about the amount, in liters, of water a specific plant needs per month. A

n accepted value for the measurement is 6 liters. These are the collected experimental values.
Which values in the collected data are precise? Check all that apply.

1.1 liters
1.2 liters
1.5 liters
6.0 liters
8.1 liters
Chemistry
2 answers:
Aneli [31]3 years ago
5 0

Answer:

1.1 liters

1.2 liters

1.5 liters

Explanation:hope you do good in edge

Effectus [21]3 years ago
4 0

Answer:

1.1 liters

1.2 liters

1.5 liters

Explanation:

Precision in data refers to how close the experimental values of an experiment are to one another irrespective of the true or accepted value. In other words, a set of values are said to be PRECISE if they are close to one another.

In this case, data was collected after conducting an experiment about the amount, in liters, of water a specific plant needs per month. However, according to the set of experimental values provided, only 1.1 litres, 1.2litres and 1.5litres are close to one another and, hence, are said to be PRECISE even if they are not close to the accepted value of 6litres.

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Answer:

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The answer should be B:Sedimentry
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The solubility of oxygen gas in water at 40 ∘c is 1.0 mmol/l of solution. What is this concentration in units of mole fraction?
juin [17]

The formula for mole fraction is:

mole fraction of solute = \frac{number of moles of solute}{total number of moles of solution}    -(1)

The solubility of oxygen gas = 1.0 mmol/L  (given)

1.0 mmol/L means 1.0 mmol are present in 1 L.

Converting mmol to mol:

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Since, the density of water is 1.0 g/mL.

Density = \frac{mass}{volume}

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So, the mass of water is 1000 g.

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According to this question, 3.5 x 10^24 molecules of methane gas was given, hence,

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