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Dmitriy789 [7]
3 years ago
15

Which has greater precision, the 10 ml graduated cylinder or the 50 ml graduated cylinder?

Chemistry
1 answer:
pychu [463]3 years ago
7 0
The cylinder with the greater precision is the 10 ml graduated cylinder.
Precision refers to the closeness of a measurement to the true value.
A 10 ml graduated cylinder will have greater precision because it has marks for every 2 ml, this will allow you to read your measurements to two significant figures.
The 50 ml graduated cylinder on the other hand has marks for every 1 ml, this graduation will only allow the user to record measurement up to one significant figure. And you know, the more the significant figures, the more precise the measurement are.
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The information given in the question is not enough to determine the acidity of the solution. This is because, acidity can only be found with the equation: pH = -log [H+].
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How many grams of potassium chlorate are needed to saturate 100g of water at 70 celsius? Group of answer choices 48 g 100 g 34 g
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Answer:

34g of potassium chlorate.

Explanation:

A saturated solution is a solution that, under a temperature, has the maximum amount of solute possible. The maximum amount that a solvent can dissolve of a solute is called <em>solubility.</em>

<em> </em>

The solubility of potassium chlorate in water at 70°C is 34g/ 100g of water.

That means, to saturate 100g of water at 70°C you need yo add:

<h3>34g of potassium chlorate.</h3>
3 0
3 years ago
Elemental iodine (I 2) is a solid at room temperature. What is the major attractive force that exists among different I 2 molecu
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Explanation:

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Hence, weak forces like london dispersion forces will be present between a molecule of I_{2}.

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