Question #1aa06

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Jarni Renz
Dec 25, 2017

#rho=(etaxxM)/V#

Explanation:

Knowing the fact that #color(red)("no. of mole" (eta)=("mass"(m))/("Molar mass"(M))#, just rearrange the formula to find the mass; so that,
#m=etaxxM#

The standard formula of #"density"(rho)=("mass"(m))/("Volume"(V))#. If #eta# is given in the problem, the variable #m# can be substituted with #etaxxM# as reflected in the relationship above. This way, the density formula through the use of #eta# will be presented as;
#rho=(etaxxM)/V#

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