3 years ago

HELP WILL GIVE BRANLIEST

Chemistry

1 answer:

Elodia [21]3 years ago

6 0

Answer:

Boron (B) Atomic Mass: 10.811

Explanation:

The number of protons and electrons are the same, always. You can find the atomic mass by looking at the periodic table for that atom: 10.811

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given a density of 350 grams/cm3 and a mass of 25 grams. What is the volume using the equation involving density?

Eduardwww [97]

0.07cm³

Explanation:

Given parameters:

Density of the body = 350g/cm³

Mass of the body = 25g

Unknown:

Volume of the body = ?

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Density is the amount of substance contained in a volume of body. It is expressed as:

Density = $\frac{mass}{volume}$

Since the unknown is volume, we make it the subject of the expression;

Volume = $\frac{mass}{density}$

Volume = $\frac{25}{350}$ = 0.07cm³

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