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1. The molar mass of Ba(NO3) is
2. Consider the following reaction; 3 NO2 + H2O-2HNO3 + NO. what volume of water is needed to produce 2.00 kg of HNO3? (the density of water= 1.00 g/ml)
3. The number of hydrogen atoms in 25 g of C6H1206 is
4. How many moles are contained in 2.54 g Cu
5. The number of molecules in 16.0 grams of methane, CH4, is the same as that in how many grams of water
6. If 20.0 of fe2(SO4)3 is mixed with 20.0g of Ba(OH)2, the limiting reactant is Fe2(SO4)3+ 3Ba(OH)2-3 BaSO4+2Fe(OH)3
7. What is the mass of 4.53 mol of Na2SO4
Determine the volume (in mL) of 0.00437 M cesium hydroxide (CsOH) that must be added to 81.4 mL of 0.0282 M hypochlorous acid (HClO) to yield a pH of 6.70.
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. How many grams of calcium chloride will be produced when 27.0 g of calcium carbonate are combined
When a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the solution above the precipitate is colorless. What is the net chemical equation that describes this reaction? Include the phases of all species in t..
Determine how many milliliters of this solution should you dilute to make 100.0mL of 0.250M Ammonia(NH3)?
Describe the three types of models (layer sequence drawings, computer graphics, balls and sticks) used for visualizing the three dimensional structure of unit cells
a high-boiling bp 202-204 degrees c burns with a yellow sooty flame. sodium fusion indicated that halogens nitrogen
What is the pH of the solution after 50.0 mL of base has been added? What is the pH of the solution at the equivalence point
Which expression represents the percent by mass of nitrogen in NH4NO3. A) 14 g N/80 g NH NO 100% B) 28 g N/80 g NH NO 100% C) 80 g NH NO /14 g N 100% D) 80 g NH NO /28 g N 100%
How long would it take for a radioactive isotope with a half life of 2 weeks to lose at least 70% of its radioactivity? Describe two clinical uses of Radioactivity.
explain how alkenearomatic c-h stretches are distinguishable from alkane c-h stretches. do the c-h stretch peaks in the
a reaction of clacium phosphate and sulfuric acid results in calcium sulfate and phosphoric acid. if 250 grams of
Lactic acid is a monoprotic acid with a Ka of 1.4 x 10-4. What is the percent ionization of a 0.100 M lactic acid solution in the absence and presence of 0.0500 M sodium lactate
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