What is the mass of the hydrogen peroxide that exactly fills a 200.0 mL container? The density of ethyl alcohol is 0.789 g/mL.

290 g of hydrogen peroxide would fill the 200.0 mL container

Explanation:

Given data:

Volume = 200.0 mL  

Mass of hydrogen peroxide = ?

Solution:

Density of hydrogen peroxide is 1.45 g/cm³.

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Now we can determine the mass of hydrogen peroxide.

D = m/v

1.45 g/cm³ = m/ 200.0 mL

1 mL = 1 cm³

m = 1.45 g/cm³× 200.0 cm³

m = 290 g

So 290 g of hydrogen peroxide would fill the 200.0 mL container.

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