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How many grams of sodium sulfate should be added to how many grams of sulfuric acid to give 1.00 L of buffer with pH 2.80 and a total sulfur concentration of 0.200 M?
vitamin tablet contains 125 mg of vitamin C (C6H8O6). How many vitamin C molecules are contained in the tablet?
The ester ethyl p-nitrobenzoate is more reactive towards nucleophilic acyl substitution than ethyl p-methyoxybenzoate.
consider the reaction between salicylic acid c7h6o3 and acetic anhydride c4h6o3 to form aspirin c9h8o4c7h6o3 c4h6o3
consider the compound sodium chloride. in the solid form is apperars white in color. however when heated it produces a
Explain why it would have been inadvisable to supply hydrogen and sodium in elemental form and why it is not neccessary.
An unknown gas effuses 0.917684 times as fast as oxygen gas under the same conditions. What is the molar mass (g/mol) of the unknown gas. What is the chemical formula of the unknown gas.
Correct each of the following names. (a) SnCl4 is tin(II) chloride. (b) NaClO4 is sodium chlorite. (c) Mn2O3 is manganese(IV) oxide.
A concentrated nitric acid solution has a density of 1.13 g/mL and is 4.95 M. Calculate the % HNO3 by mass in the solution
The human body obtains 1091 kJ from a candy bar. If this energy were used to vaporize water at 100°C, how much water in liters could be vaporized? (Assume that the density of water is 1.0 g/mL.)
here A solution of a primary standard KHC8H4O4 was prepared by dissolving 0.4877g potassium hydrogen pthalate in 50 ml H2O. Titration with KOH required 23.84 ml to reach a phenopthalein end point . What is the molarity of KOH
What is the rate law for step 1 of this reaction? ((Express your answer in standard Mastering Chemistry notation.
The cranberry juice control is 27% juice when purchased from a local grocery store. Provide the calculations required to prepare the series of standard solutions of cranberry juice
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