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maksim [4K]
3 years ago
6

How many atoms are in 8 grams of helium

Chemistry
1 answer:
Mrrafil [7]3 years ago
8 0
12 x 10^23 atoms, i hope this helps
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What is the diffrence between a mixture and a compound
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A compound is a substance made up of atoms of two or more different elements joined by chemical bonds. A mixture is a combination of two or more substances that are not chemically combined.

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Calculate the density of the items below. (D = M/V)<br> 1) M = 15g V = 5.0ml *
grin007 [14]

Answer:

<h3>The answer is 3.0 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 15 g

volume = 5 mL

We have

density =  \frac{15}{5}  \\

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<h3>3.0 g/mL</h3>

Hope this helps you

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