To calculate percent by mass, use the equation
below:
mass of element in compound 100
% element=P
molar mass of compound
Calculate the percent by mass of each element
%N =
%H =
%O =
Olo

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?

Why is the bottom layer of a trophic pyrimid the