4. Calculate the mass of each element: a) 3.25 mol of He
b) 0.0455 mol of Ni
c) 1.33 mol of K

What does standard deviation reveal about data? a. the average of all the data points b. which of the data points is most reliable c. how spread out the data points are d. the percent error included in the data

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

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