Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. 1]...
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr.
1] 0.70 L of 1.4×10−2 M KBr
Express your answer using two significant figures. Enter your
answers numerically separated by commas.
2] 120 g of 0.190 m KBr
Enter your answers numerically separated by commas.
3] 1.70 L of a solution that is 14.0 % KBr by mass (the density
of the solution is 1.10 g/mL)
Enter your answers numerically separated by commas.
4] a 0.160 M solution of KBr that contains just enough KBr to
precipitate 18.0 g of AgBr from a solution containing 0.480 mol of
AgNO3
Enter your answers numerically separated by commas.
Homework Answers
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Describe how you would prepare each of the following aqueous
solutions, starting with solid KBr.
1]...
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. A....
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. A. 0.90 L of 1.4×10−2 M KBr B. 110 g of 0.160 m KBr C. 1.95 L of a solution that is 14.0 % KBr by mass (the density of the solution is 1.10 g/mL) D. a 0.130 M solution of KBr that contains just enough KBr to precipitate 16.0 g of AgBr from a solution containing 0.480 mol of AgNO3
Exercise 16.82 For each of the following strong base solutions, determine (OH l, Hao 1.pH, and...
Exercise 16.82 For each of the following strong base solutions, determine (OH l, Hao 1.pH, and poH. Part C 1.13x10 2 M Ba (OH)2 Express your answer using three significant figures. Enter your answers numerically separate commas. Submit My Answers Up Incorrect; Try Again; 4 attempts remaining Part D Express your answer to three decimal places. Enter your answers numerically separated by pH, POH
Indicate the concentration of each ion present in the solution formed by mixing the following. Part...
Indicate the concentration of each ion present in the solution formed by mixing the following. Part A: 42.0 mL of 0.170 M NaOH and 37.6 mL of 0.450 M NaOH. Assume that the volumes are additive. Enter your answers, separated by a comma, using three significant figures. MNa+ M N a + , MOH− = Part B: 44.0 mL of 0.100 M Na2SO4 and 25.0 mL of 0.160 M KCl. Assume that the volumes are additive. Enter your answers, separated...
How many moles and numbers of ions of each type are present in the following aqueous...
How many moles and numbers of ions of each type are present in the following aqueous solution? Be sure to enter your answers for the number of ions in scientific notation. 1.12 mL of a solution containing 2.92 g lithium sulfate/L.
How many moles and numbers of ions of each type are present in the following aqueous...
How many moles and numbers of ions of each type are present in the following aqueous solution? Be sure to enter your answers for the number of ions in scientific notation. 8.71 mL of a solution containing 5.89 g lithium sulfate/L _______ mol lithium _______ × 10__ions lithium _______mol sulfate _______× 10__ions sulfate
13.54 Describe how you would prepare each of the following aque- ous solutions: (a) 1.50 L...
13.54 Describe how you would prepare each of the following aque- ous solutions: (a) 1.50 L of 0.110 M (NH4)2SO4 solution, starting with solid (NH4)2SO4; (b) 225 g of a solution that is 0.65 m in Na2CO3, starting with the solid solute; (c) 1.20 L of a solution that is 15.0% Pb(NO3) 2 by mass (the density of the solution is 1.16 g/mL), starting with solid solute; (d) a 0.50 M solution of HCI that would just neutralize 5.5 g...
thank you Describe how you would calculate the pH of the following 0.10 M aqueous solutions:...
thank you
Describe how you would calculate the pH of the following 0.10 M aqueous solutions: (a) sodium monohydrogen phosphate (b) glycine hydrochloride (c) trisodium citrate For example: treat as monoprotic acid and use Kai; treat as intermediate form and use Ka, Ka... Find the pH of a solution prepared by dissolving 1.00 g of potassium hydrogen phthalate (204.221 g/mol) and 1.20 g of disodium phthalate (210.094 g/mol) in 50.0 mL of water. (pKai = 2.950, pK2 = 5.408) The...
Question 1 According to the following reaction, what mass of silver nitrate would be required to...
Question 1 According to the following reaction, what mass of silver nitrate would be required to react with 0.500 grams of potassium chloride? AgNO3 (aq) + KCl (aq) --> AgCl (s) + KNO3 (aq) options 2.68 g 0.500 g 85.0 g 170 g 1.14 g Question 2 Consider the reaction: Na2CO3 (aq)+ 2 HCl (aq) --> 2 NaCl (aq) + CO2 (g) + H2O (l) If 43.41 g of sodium carbonate react completely, how many grams of HCl will be...
4a) Describe how you would prepare a 1-liter aqueous solution of each of the following reagents:...
4a) Describe how you would prepare a 1-liter aqueous solution of each of the following reagents: 1M glycine 5) Why is deionized (ion-exchange) water not suitable as a solvent for use in UV absorbance measurements? 7) If you mix 1mL of the 1M glycine solution in problem 4a with 9ml of water, what is the final concentration of this diluted solution in mM? 9) You have just prepared a solution by weighing 20g of sucrose, transferring it to a 10liter...
An aqueous CaCl2 solution has a vapor pressure of 80.2 mmHg at 50 ∘C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent? A hypotheti...
An aqueous CaCl2 solution has a vapor pressure of 80.2 mmHg at 50 ∘C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent? A hypothetical solution forms between a solid and a liquid. The values of the thermodynamic quantities involved in the process are shown in the following table. Action Enthalpy separation of solute 11.5 kJ/mol separation of solvent 21.8 kJ/mol formation of solute-solvent interactions -86.7 kJ/mol solute...
Exercise 16.82 For each of the following strong base solutions, determine (OH l, Hao 1.pH, and poH. Part C 1.13x10 2 M Ba (OH)2 Express your answer using three significant figures. Enter your answers numerically separate commas. Submit My Answers Up Incorrect; Try Again; 4 attempts remaining Part D Express your answer to three decimal places. Enter your answers numerically separated by pH, POH
13.54 Describe how you would prepare each of the following aque- ous solutions: (a) 1.50 L of 0.110 M (NH4)2SO4 solution, starting with solid (NH4)2SO4; (b) 225 g of a solution that is 0.65 m in Na2CO3, starting with the solid solute; (c) 1.20 L of a solution that is 15.0% Pb(NO3) 2 by mass (the density of the solution is 1.16 g/mL), starting with solid solute; (d) a 0.50 M solution of HCI that would just neutralize 5.5 g...
thank you
Describe how you would calculate the pH of the following 0.10 M aqueous solutions: (a) sodium monohydrogen phosphate (b) glycine hydrochloride (c) trisodium citrate For example: treat as monoprotic acid and use Kai; treat as intermediate form and use Ka, Ka... Find the pH of a solution prepared by dissolving 1.00 g of potassium hydrogen phthalate (204.221 g/mol) and 1.20 g of disodium phthalate (210.094 g/mol) in 50.0 mL of water. (pKai = 2.950, pK2 = 5.408) The...
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