20)How many moles of glucose, C6H12O6, can be burned when 60.0 mol of oxygen is available?
C6H12O6(s) + 6O2(g) → 6CO2(g) + 6H2O(l)
A)0.938 mol
B) 10 mol
C)60 mol
D)120mol
E)301 mol

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Classify this reaction: 2al+n2-> aln.

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.