this section is very confusing as a whole
this section is very confusing as a whole What compound can be dissolved into an aqueous...
Suppose 1.55 g of barium nitrate is dissolved in 250. mL of a 52.0 m M aqueous solution of ammonium sulfate. Calculate the final molarity of nitrate anion in the solution. You can assume the volume of the solution doesn't change when the barium nitrate is dissolved in it Round your answer to 3 significant digits.
Suppose 0.756g of barium nitrate is dissolved in 200.mL of a 26.0mM aqueous solution of ammonium sulfate. Calculate the final molarity of nitrate anion in the solution. You can assume the volume of the solution doesn't change when the barium nitrate is dissolved in it. Be sure your answer has the correct number of significant digits. (M)
You have 315 mL of an aqueous solution that is 0.29 M Na2SO4 and a separate 250 mL aqueous solution that is 0.41 M BaCl2- a). How many moles of each of the four ions are present (do not use the word "moles" in your answer, just the number)? Na+ 5042- Ba2+ ci b). When these two solutions are mixed together, what is the chemical formula of the solid expected to precipitate from the mixture? (Don't forget to put (s)...
1: You need to make an aqueous solution of 0.212 M barium hydroxide for an experiment in lab, using a 300 mL volumetric flask. How much solid barium hydroxide should you add? ____grams 2: How many milliliters of an aqueous solution of 0.219 M chromium(III) sulfate is needed to obtain 3.70 grams of the salt?____ml 3: In the laboratory you dissolve 23.1 g of zinc nitrate in a volumetric flask and add water to a total volume of 250 ....
1.An aqueous solution of hydrobromic acid is standardized by titration with a 0.113 M solution of barium hydroxide. If 20.6 mL of base are required to neutralize 19.9 mL of the acid, what is the molarity of the hydrobromic acid solution? ____M hydrobromic acid 2. An aqueous solution of barium hydroxide is standardized by titration with a 0.196 M solution of nitric acid. If 27.0 mL of base are required to neutralize 15.3 mL of the acid, what is the...
Suppose 2.11 g of barium nitrate is dissolved in 50. mL of a 0.20 M aqueous solution of sodium chromate. Calculate the final molarity of nitrate anion in the solution. You can assume the volume of the solution doesn't change when the barium nitrate is dissolved in it. Round your answer to 2 significant digits.
plesse help!! Calculate the molarity of an aqueous solution containing 1.80 mole potassium chloride in a 800. mL solution Calculate molarity of an aqueous solution containing 5.20 g ammonium sulfate in a 250.0 mL solution. Calculate the moles and the mass of solute present in 200. mL of 0.400 M sodium nitrate solution. How many mL of a 0.620 M solution will contain 0.250 moles of calcium chloride?
Silver ions can be precipitated from aqueous solutions by the addition of aqueous chloride: Ag+(aq)+Cl−(aq)→AgCl(s) Silver chloride is virtually insoluble in water so that the reaction appears to go to completion. How many grams of solid NaCl must be added to 25.0 mL of 0.149 M AgNO3 solution to completely precipitate the silver?
b. How would you prepare 225.0 mL of 1.33 M HCl from a 6.00 M stock solution? C. When 25.00 mL of 0.695 M HCl reacts with an excess of silver nitrate, will a precipitate form? Write the net ionic equation for this reaction. How many grams of precipitate can be theoretically obtained? d. What volume of 0.2500 M strontium hydroxide is required to completely react with 75.00 mL of 0.07942 M HCI? e. When 37.5 mL of 0.439 M...
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769 M solution? 2. Calculate the concentration of the ions present in a 3.0 M sodium phosphate solution. in coolad hon 20 3. Calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough water to prepare 500.0 mL of solution. 4. The A student diluted 45.7 mL of a 3.78 M aluminum carbonate solution to a final volume of...