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larisa86 [58]
3 years ago
14

If the size, mass, and arrangement of atoms affect the density of a substance. How might these factors work together to cause a

substance to have a low density?
Chemistry
1 answer:
Soloha48 [4]3 years ago
8 0

Answer:  The size, mass, and arrangement of atoms affect the density of a substance. How might these factors work together to cause a substance to have a high density? A substance with smaller more massive atoms that are close together is going to have a higher density.

Explanation:

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Given :

Number of He atoms, n = 3.4\times 10^{24} atoms.

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How many grams are their in given number of He atoms.

Solution :

We know, molecular mass of He is 4 g. It means that their are 6.022 \times 10^{23} atoms in 4 g of He.

Let, number of gram He in 3.4\times 10^{24} atoms is x , so :

x = \dfrac{3.4\times 10^{24}}{6.022\times 10^{23}}\times 4\\\\x =  $$22.58\ g

Therefore, grams of He atoms is 22.58 g .

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