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Iteru [2.4K]
3 years ago
8

A mixture requires constant shaking to keep its constituents combined. It is best described as a _____. homogenous mixture collo

id suspension solution
Chemistry
1 answer:
lyudmila [28]3 years ago
3 0

The correct answer is a suspension.

A suspension is a mixture containing relatively large particles that settle fast

A homogenous mixture is a mixture where everything looks the same throughout and is all in the same phases

A colloid is a heterogenous mixture where the particles are small enough to stay suspended (usually talking about gaseous solutions)

And a solution is a homogenous mixture where the particles are too small to even reflect light

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Identify the base-conjugate acid pair in this balanced equation:
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<h3><u>Answer;</u></h3>

NH3/NH4+

<h3><u>Explanation;</u></h3>

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3 years ago
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How many grams of K2Cr207 are in 250. mL of 0.500M of K2Cr207:
goldenfox [79]

<u>Analysing the Question:</u>

We are given a 250 mL solution of 0.5M K₂Cr₂O₇

Which means that we have:

0.5 Mole in 1L of the solution

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<em />

<u>Mass of K₂Cr₂O₇ in the given solution:</u>

Molar mass of K₂Cr₂O₇(Potassium Dichromate) = 194 g/mol

<em>we know that we have 0.125 moles in the 250 mL solution provided</em>

Mass = Number of moles * Molar mass

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Yes

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<u><em>For Example:</em></u>

Let us take the example of BF₃

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