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RSB [31]
3 years ago
14

A mixture is -

Chemistry
1 answer:
Studentka2010 [4]3 years ago
4 0
B. a physical combination of two or more different materials.
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Calculate the volume of a 0.5M solution containing 20g of NaOH
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Answer:

1L

Explanation:

First, let us calculate the number of mole present in 20g of NaOH. This is illustrated below:

Mass = 20g

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Number of mole =?

Number of mole = Mass /Molar Mass

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From the question given, we obtained the following data:

Molarity = 0.5M

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Molarity = mole /Volume

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On the periodic table, in which period is copper?
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Answer:

Explanation:

7A 0.2

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7D  Density is one of the fundamental scientific principles of life. It can describe any everyday object. Despite its significance, students often struggle to understand what it really is. Density is a measurement of how much space or volume is packed in an object or substance.

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