A liquid has a volume of 100cm3 and a mass of 85 g. The density of water is 1.0g/ cm3.How does the density of the liquid compare with the density of water? *
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The density of the liquid compare with the density of water is 0.85 .
Explanation:
Given :
Volume of liquid , V=100\ cm^3V=100 cm
3
.
Mass of given amount of volume , m = 85 \ gm=85 g .
Also , density of water is , \rho_w =1 \ g/cm^3ρ
w
=1 g/cm
3
.
Now , we know density is given as :
\begin{gathered}\rho=\dfrac{m}{V}\\\\\rho=\dfrac{85}{100}\\\\\rho=0.85\ g/cm^3\end{gathered}
ρ=
V
m
ρ=
100
85
ρ=0.85 g/cm
3
Now , relative density is given as the ratio of density by density of water .
\begin{gathered}R.D=\dfrac{\rho}{\rho_w}\\\\R.D=\dfrac{0.85}{1}\\\\R.D=0.85\end{gathered}
R.D=
ρ
w
ρ
R.D=
1
0.85
R.D=0.85
Therefore , the density of the liquid compare with the density of water is 0.85 .
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