16) How many moles of sodium nitrate are in 1.70 grams of sodium nitrate, a substance used in fertilizers and to make gunpowder. (0.020) 17) Ammonium sulfate is a fertilizer used to supply both nitrogen and sulfur. 3. How many moles of PCl 5 must be heated in a 1.0 L flask at 250 o C in order to produce enough chlorine to give an equilibrium concentration of 0.10 mol/L? 4. Will there be a net reaction when 2.5 moles of PCl 5, 0.60 mole of Cl 2, and 0.60 mole of PCl 3 are placed in a 1.0 L flask and heated to 250 o C. If so, which reaction takes place?
THE MOLE: The most important concept you encounter this semester in Chemistry is the mole. A mole of a monoatomic element is the atomic mass taken with mass units; a mole of anything else is This is the mole your textbook uses and is the only one for which Avogadro's Number is applicable.May 16, 2018 · There are 6 carbon atoms/molecule of glucose. Avogadro’s constant (6.02 * 10^23) represents the number of atoms/molecules in a mole (atoms if it is a pure substance).
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