General Education Assessment-Critical Thinking and Problem
Solving
Q.1) How many sodium atoms are in 3.00 g of sodium
dichromate, Na2Cr2O7?
Written Answer
Q.2) What is the identity of substance X if 0.380 mol of X
weighs 17.5 g? (Potential choices: NO3, N2O4 , SO2 or NO2)
Written Answer
Q.3) Balance the chemical equation given below, and
determine the number of grams of Fe needed to produce
15.0 g of Fe2O3.
_____ MgO(s) + _____ Fe(s) → ______ Fe2O3(s) + ___ Mg(s)
Written Answer
Q.4) What is the empirical formula for ethyl fluoride if the
compound contains 49.97% carbon, 10.51% hydrogen, and
39.52% fluorine by mass?
Written Answer
Q.5) What is the concentration of HNO3 in the final solution
when 70.0 mL of a 6.00 M HNO3 solution is diluted with
pure water to a total volume of 0.15 L?
Written Answer
Q.6) Using the Balmer-Rydberg equation, what will be the
absorption wavelength λ in nm for an electron undergoing
electronic transition from m=1 to n= 3?
Written Answer