Q1: What is the molarity of HCl in a solution if it is prepared when 4.85...
Q1: What is the molarity of HCl in a solution if it is prepared when 4.85 mL of 7.85 M HCl is mixed with 7.88 mL of water?
Q2: Determine the volume of water in mL needed to prepare 5.0mL (V2) of a 0.5 M (M2) HCl solution using 7.1 M (M1) HCl (M1).
Q3: Determine the volume (V1) of 5.5 M (M1) HCl in mL needed to prepare 5.0 mL (V2) of 0.9 M (M2) HCl solution.
Homework Answers
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Q1: What is the molarity of HCl in a solution if it is prepared
when 4.85...
Q1. What is the molarity of an ethanol solution, C2HsOH, when 65.5 grams of C2HsOH is...
Q1. What is the molarity of an ethanol solution, C2HsOH, when 65.5 grams of C2HsOH is dissolved in 675 mL of DI water? Q2. What mass, in grams, of potassium oxalate, K2C:20, is needed to prepare 625 mL of a 0.235 M K2C204 solution? Q3. A certain experiment requires 15.5 grams of sodium hydroxide, NaOH. Volume wise, how many milliliters (mL) of a 0.525 M solution of NaOH is needed?
1. What is the molarity of an HNO3 solution prepared by diluting 250.0 ml of a...
1. What is the molarity of an HNO3 solution prepared by diluting 250.0 ml of a HNO36.00 M solution in a total volume of 2.50 L 2. How many milliliters of a 12 M solution of HCl are needed to prepare 5.0 L of a 0.10 M solution of HCl
Exercise 12 Name Solution Concentrations Lab Gwyl time What is the molarity of a solution that...
Exercise 12 Name Solution Concentrations Lab Gwyl time What is the molarity of a solution that has 4,50 x10 moles of Copper) fate in 1. What 0.500 L? How many moles of NaOH are required to prepare 5.00 L of 0.870 M solution? 3 What volume of 12.0 M HCl is needed to prepare 200.0 mL of 0.345M HCl solution? 4. What is the molarity of a solution if 5.00 g of KOH are dissolved in enough water to make...
1.A student delivered 11.85 mL (V1) of 2.49 % stock solution (M1) using a graduated pipette...
1.A student delivered 11.85 mL (V1) of 2.49 % stock solution (M1) using a graduated pipette into a 50.00 mL (V2) volumetric flask. Distilled water was added to the flask to the graduation mark and mixed well. Using the dilution equation (provided below), calculate the concentration of the diluted solution. (M1)(V1) = (M2)(V2) Report your answer to 3 decimal places. 2.Density is given by the equation density=mass/vol (d=m/V). Given that the density of magnesium is known to be 1.74 g/mL,...
Data Part 1 Temperature of Ca(OH)2 solution: 20C Molarity of the HCl solution used for the...
Data Part 1 Temperature of Ca(OH)2 solution: 20C Molarity of the HCl solution used for the titration: 0.05 M HCl Titration 1 Titration 2 Titration 3 Initial buret reading 10mL | 19 mi 2 mL 11 mL 28 mL 28 mm 36.4 q mL 8.4 ml Volume HCI used avg: 8.8 mL Part II Temperature of Ca(OH)2 solution: 84°C Molarity of the HCl solution used for the titration: 0:05 Titration 1 Titration 2 M HC Titration 3 Initial buret reading...
27) What is the concentration (molarity) of HCI in the final solution when 65 mL of...
27) What is the concentration (molarity) of HCI in the final solution when 65 mL of a 9.0 M HCl solution is diluted with pure water to a total volume of 0.15 L? 28) How many milliliters of a 9.0 M H2SO4 solution are needed to make 0. 45 L of a 3.5 M solution? A) 0. 18 mL B) 1.2 mL C) 180 mL D) 1200 mL 29) A student prepared a stock solution by dissolving 15.0 g of...
1. Calculate Calcium Chloride Cobalt CoCl2, (MM35.39g / mol) necessary to prepare 50.0 mL of a...
1. Calculate Calcium Chloride Cobalt CoCl2, (MM35.39g / mol) necessary to prepare 50.0 mL of a 0.55 M solution in CoCl2. 2. Calculate the volume of the solution 0.75M of CoCl2 needed to prepare 100 mL of a 0.15 M solution in CoCl2. M1 V1 = M2 V2
Q1 Complete the following table: [H3O+] [OH-] pH Acidic, Basic, or Neutral? 2.0 · 10-5 1.0...
Q1 Complete the following table: [H3O+] [OH-] pH Acidic, Basic, or Neutral? 2.0 · 10-5 1.0 · 10-7 10 3.5 Q2 A solution has a [OH‑] = 1.5·10-10 M. What are the [H3O+] and the pH of the solution? Q3 A sample of 0.0084 mol of HCl is dissolved in water to make a 3000 mL solution. Calculate the molarity of the HCl solution, the [H3O+] and the pH. For a strong acid such as HCl, the [H3O+] is the...
What is the molarity of a solution of HCl if 6.00 mL of the HCl solution...
What is the molarity of a solution of HCl if 6.00 mL of the HCl solution is titrated with 26.8 mL of a 0.125 M NaOH solution? HCl(aq)+NaOH(aq)→H2O(l)+NaCl(aq)
The concentration of a solution after dilution can be found by: where M1 is the concentrated...
The concentration of a solution after dilution can be found
by:
where M1 is the concentrated solution (in
this lab, 0.400 M), and V1 is the volume of the
concentrated solution placed in the test tube. The
V2 is the total volume of
concentrated solution plus water added, and M2
is the concentration of the solution after diluting.
Tube 1 has 2.00 mL of the 0.400 M Ni2+ solution and
8.00 mL of water added. What is the concentration of...
Q1. What is the molarity of an ethanol solution, C2HsOH, when 65.5 grams of C2HsOH is dissolved in 675 mL of DI water? Q2. What mass, in grams, of potassium oxalate, K2C:20, is needed to prepare 625 mL of a 0.235 M K2C204 solution? Q3. A certain experiment requires 15.5 grams of sodium hydroxide, NaOH. Volume wise, how many milliliters (mL) of a 0.525 M solution of NaOH is needed?
Exercise 12 Name Solution Concentrations Lab Gwyl time What is the molarity of a solution that has 4,50 x10 moles of Copper) fate in 1. What 0.500 L? How many moles of NaOH are required to prepare 5.00 L of 0.870 M solution? 3 What volume of 12.0 M HCl is needed to prepare 200.0 mL of 0.345M HCl solution? 4. What is the molarity of a solution if 5.00 g of KOH are dissolved in enough water to make...
Data Part 1 Temperature of Ca(OH)2 solution: 20C Molarity of the HCl solution used for the titration: 0.05 M HCl Titration 1 Titration 2 Titration 3 Initial buret reading 10mL | 19 mi 2 mL 11 mL 28 mL 28 mm 36.4 q mL 8.4 ml Volume HCI used avg: 8.8 mL Part II Temperature of Ca(OH)2 solution: 84°C Molarity of the HCl solution used for the titration: 0:05 Titration 1 Titration 2 M HC Titration 3 Initial buret reading...
27) What is the concentration (molarity) of HCI in the final solution when 65 mL of a 9.0 M HCl solution is diluted with pure water to a total volume of 0.15 L? 28) How many milliliters of a 9.0 M H2SO4 solution are needed to make 0. 45 L of a 3.5 M solution? A) 0. 18 mL B) 1.2 mL C) 180 mL D) 1200 mL 29) A student prepared a stock solution by dissolving 15.0 g of...
The concentration of a solution after dilution can be found
by:
where M1 is the concentrated solution (in
this lab, 0.400 M), and V1 is the volume of the
concentrated solution placed in the test tube. The
V2 is the total volume of
concentrated solution plus water added, and M2
is the concentration of the solution after diluting.
Tube 1 has 2.00 mL of the 0.400 M Ni2+ solution and
8.00 mL of water added. What is the concentration of...
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