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8. Calculate the concentration of a solution of CO, in water, which contains 20.25 g of...
The Na,Co, solution described above was used to analyse a hydrochloric acid solution of unknown concentration....
The Na,Co, solution described above was used to analyse a hydrochloric acid solution of unknown concentration. It was found that 24.30 mL of the Na,Co, solution was required to neutralise a 20.00 mL sample of the hydrochloric acid solution. 4. Using your answer to part 3 above, calculate the amount of Na,Co, present in 24.30 mL of the Na,Co, solution. (2 marks) 5. Using your answer to part 2 above, deduce the amount of HCl that was present in the...
8. Why is it necessary to rid the distilled water of CO,? water oorth Coz or...
8. Why is it necessary to rid the distilled water of CO,? water oorth Coz or dissolve CO2 6 Slightly because dissolued Cla react with H₂O and forms carbonic acid which more water acid So, it will effect the cading of titration experiment.- CO2(g) + H₂ Oce) H₂ CO₂ (aq) carbonic acid. > What is the molarity of a solution that contains 2.38 g of H,, 2H,0 in exactly 300 mL of solution? 10. If 25.21 mL of NaOH solution...
Review Co Part A A calorimeter contains 300 ml. of water at 135 C When 2.10...
Review Co Part A A calorimeter contains 300 ml. of water at 135 C When 2.10 g of X (a substance with a molar mass of 450 g/mol) is added, it dissolves via the reaction X(s) + H20(1)-+X(aq) and the temperature of the solution increases to 275 °C Calculate the enthalpy change. AH for this reaction per mole of X Assume that the specific heat of the resulting solution is equal to that of water [4.18 /(C) that density of...
Determining the Concentration of a BaC12 Solution A 5.00 mL solution of BaCl2 dissolved in water...
Determining the Concentration of a BaC12 Solution A 5.00 mL solution of BaCl2 dissolved in water weighed 5.094 g. After the water was removed by heating 0.103 g of BaCl2 remained. Using the formulas on page 38 in the lab manual calculate the following knowing that BaCl2 is the component. What is the density of the BaCl2 solution in g/mL? ubmit Answer Tries 0/99 Percent-by-mass of the BaCl2 in the solution: Stlemit Answer lTrie /9 Concentration of BaCl in the...
4) A solution is prepared by dissolving 15.2 g of NaC,H,O, into water. The concentration of...
4) A solution is prepared by dissolving 15.2 g of NaC,H,O, into water. The concentration of the solution is measured at 1.95 M. Calculate the volume of the solution (in Liters): (5) (MM NaC,H,O,: 82.03 g/mol) 5) Common intravenous (IV) glucose solutions are prepared as 5.0 % mlv glucose. How many mililiters of solution are present in an IV bag that contains 39 grams of glucose? 6) Two solutions are prepared. The first contains glucose (C.H.O.) dissolved in water at...
Concentration is the amount of solute dissolved in a certain amount of solution: concentration of a...
Concentration is the amount of solute dissolved in a certain amount of solution: concentration of a solution=amount of soluteamount of solution Solution concentrations are usually given as one of the following: Mass percent (m/m)—the mass of the solute in grams for exactly 100 g of solution Volume percent (v/v)—the volume of solute in exactly 100 mL of solution Mass/volume percent (m/v)—the mass of solute in grams for exactly 100 mL of solution Molarity (M)—the number of moles of solute in...
8-47 Calculate the mass-volume percent of MgCl, in each of the following solutions. a. 5.0 g...
8-47 Calculate the mass-volume percent of MgCl, in each of the following solutions. a. 5.0 g of MgCl, in enough water to give 250 mL of solution b. 85 g of MgCl, in enough water to give 580 mL of solution 8-43 Calculate the volume percent of solute in each of the following solutions. a. 20.0 mL of methyl alcohol in enough water to give 475 mL of solution b. 4.00 mL of bromine in enough carbon tetrachloride to give...
Be sure to answer all parts. A 325 mL sample of solution contains 24.3 g of...
Be sure to answer all parts. A 325 mL sample of solution contains 24.3 g of CaCl2. (a) Calculate the molar concentration of Cl− in this solution. 1.35 M - this one was correct. (b) How many grams of Cl− are in 0.300 L of this solution? (I got 4.79 g - don't know what i'm doing wrong for this part. Please help!)
5.75 g of LiCI is dissolved in enough water 0.970 L of solution. What is the...
5.75 g of LiCI is dissolved in enough water 0.970 L of solution. What is the molarity (M) of the solution? How many moles of LiCI are contained in 0 010 L of the above LiCI solution? Note: The concentration is the relationship between the amounts of solution. Use the concentration as a conversion facto!!! What volume (L) of this LiCI solution would contain 0.0078mole of LiCI? The mass of solute per 100 mL of solution is abbreviated as %(w/v)...
3. A solution is prepared by dissolving 12.5 g of glucose (CHarO%) in 100.0 g of...
3. A solution is prepared by dissolving 12.5 g of glucose (CHarO%) in 100.0 g of water. a. What is the concentration of that solution in percent glucose by mass? b. What is the concentration of that solution in mola lity (m)? c. You measured the density of the final solution to be 1.06 g/m L. What is the concentration of the solution in molarity (M)? 4. Calculate the molarity of a 50% sulfuric acid solution by mass. The density...
The Na,Co, solution described above was used to analyse a hydrochloric acid solution of unknown concentration. It was found that 24.30 mL of the Na,Co, solution was required to neutralise a 20.00 mL sample of the hydrochloric acid solution. 4. Using your answer to part 3 above, calculate the amount of Na,Co, present in 24.30 mL of the Na,Co, solution. (2 marks) 5. Using your answer to part 2 above, deduce the amount of HCl that was present in the...
8. Why is it necessary to rid the distilled water of CO,? water oorth Coz or dissolve CO2 6 Slightly because dissolued Cla react with H₂O and forms carbonic acid which more water acid So, it will effect the cading of titration experiment.- CO2(g) + H₂ Oce) H₂ CO₂ (aq) carbonic acid. > What is the molarity of a solution that contains 2.38 g of H,, 2H,0 in exactly 300 mL of solution? 10. If 25.21 mL of NaOH solution...
Review Co Part A A calorimeter contains 300 ml. of water at 135 C When 2.10 g of X (a substance with a molar mass of 450 g/mol) is added, it dissolves via the reaction X(s) + H20(1)-+X(aq) and the temperature of the solution increases to 275 °C Calculate the enthalpy change. AH for this reaction per mole of X Assume that the specific heat of the resulting solution is equal to that of water [4.18 /(C) that density of...
Determining the Concentration of a BaC12 Solution A 5.00 mL solution of BaCl2 dissolved in water weighed 5.094 g. After the water was removed by heating 0.103 g of BaCl2 remained. Using the formulas on page 38 in the lab manual calculate the following knowing that BaCl2 is the component. What is the density of the BaCl2 solution in g/mL? ubmit Answer Tries 0/99 Percent-by-mass of the BaCl2 in the solution: Stlemit Answer lTrie /9 Concentration of BaCl in the...
4) A solution is prepared by dissolving 15.2 g of NaC,H,O, into water. The concentration of the solution is measured at 1.95 M. Calculate the volume of the solution (in Liters): (5) (MM NaC,H,O,: 82.03 g/mol) 5) Common intravenous (IV) glucose solutions are prepared as 5.0 % mlv glucose. How many mililiters of solution are present in an IV bag that contains 39 grams of glucose? 6) Two solutions are prepared. The first contains glucose (C.H.O.) dissolved in water at...
8-47 Calculate the mass-volume percent of MgCl, in each of the following solutions. a. 5.0 g of MgCl, in enough water to give 250 mL of solution b. 85 g of MgCl, in enough water to give 580 mL of solution 8-43 Calculate the volume percent of solute in each of the following solutions. a. 20.0 mL of methyl alcohol in enough water to give 475 mL of solution b. 4.00 mL of bromine in enough carbon tetrachloride to give...
5.75 g of LiCI is dissolved in enough water 0.970 L of solution. What is the molarity (M) of the solution? How many moles of LiCI are contained in 0 010 L of the above LiCI solution? Note: The concentration is the relationship between the amounts of solution. Use the concentration as a conversion facto!!! What volume (L) of this LiCI solution would contain 0.0078mole of LiCI? The mass of solute per 100 mL of solution is abbreviated as %(w/v)...
3. A solution is prepared by dissolving 12.5 g of glucose (CHarO%) in 100.0 g of water. a. What is the concentration of that solution in percent glucose by mass? b. What is the concentration of that solution in mola lity (m)? c. You measured the density of the final solution to be 1.06 g/m L. What is the concentration of the solution in molarity (M)? 4. Calculate the molarity of a 50% sulfuric acid solution by mass. The density...
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