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Mathematics
Mathematics
Problem
Which of the following expressions gives the mass percent of component X in a mixture? a)
n
X
n
total
×
100
%
\dfrac{n_{X}}{n_{\text{total}}}\times 100\%
n
total
n
X
×
100%
b)
total mass of mixture
mass of X
×
100
%
\dfrac{\text{total mass of mixture}}{\text{mass of X}}\times 100\%
mass of X
total mass of mixture
×
100%
c)
mass of X
total mass of mixture
×
100
%
\dfrac{\text{mass of X}}{\text{total mass of mixture}}\times 100\%
total mass of mixture
mass of X
×
100%
d)
mass of X
total mass of mixture
\dfrac{\text{mass of X}}{\text{total mass of mixture}}
total mass of mixture
mass of X
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