1. Calculate Calcium Chloride Cobalt CoCl2, (MM35.39g / mol) necessary to prepare 50.0 mL of a...
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Calculate Calcium Chloride Cobalt CoCl2, (MM35.39g / mol) necessary
to prepare 50.0 mL of a...
Suppose 0.250 g of cobalt(II) chloride hexahydrate is dissolved in 50.0 ml of 4 M HCl,...
Suppose 0.250 g of cobalt(II) chloride hexahydrate is dissolved in 50.0 ml of 4 M HCl, and heated to 80°C in a cuvette having 1.00 cm path length. At this temperature, the percent transmittance of the solution at 690 nm is measured to be 48.0%. What is the molar mass of cobalt(II) chloride hexahydrate? Select one: a) 129.84 g/mol b) 237.93 g/mol c) 58.93 g/mol d) 165.87 g/mol
Part 4. Molality of the calcium chloride solution Molality is defined as mol solute Calculate the...
Part 4. Molality of the calcium chloride solution Molality is defined as mol solute Calculate the molality of your assigned calcium chloride solution. Assume that the density of kg solvent water is 1g/mL. Questions (SHOW ALL WORK) 1. Calculate the molarity (M) of a solution when 12.80 g of glycerol (CHsOs) is added to 40.70 g of water. The density of the solution is 1,052g/ml Colligative properties like boiling point elevation depend on the number of solute particles in solution....
You are asked to prepare 100 mL of a 0.050 M solution of calcium chloride. What...
You are asked to prepare 100 mL of a 0.050 M solution of calcium chloride. What mass of calcium chloride would you use? * O.37 mol Caci .37 g Caci .55 g CaCl2 O 86 g Caci3 /TARAP/OneDrive/Documents/viewform.html
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.
Calculate the following quantity: volume of 1.34 M calcium chloride that must be diluted with water...
Calculate the following quantity: volume of 1.34 M calcium chloride that must be diluted with water to prepare 183 mL of a 6.64 × 10^−2 M chloride ion solution.
i. Add about 2 mL of cobalt (II) chloride solution, CoCl2(aq), to a clean test tube....
i. Add about 2 mL of cobalt (II) chloride solution, CoCl2(aq), to a clean test tube. Add about 10 drops of the sodium hydroxide solution, NaOH(aq). Observe any changes. j. Place about 2 mL of silver nitrate solution, AgNO3(aq), to a clean test tube. Add about 10 drops of 3M hydrochloric acid, HCl(aq). Observe any changes. i. Reactants Type of Reaction Observations: Balanced Equation i. Reactants Type of Reaction Observations: Balanced Equation
calculate the amount of NaCL and water needed to prepare 50.0 mL of a 1.85% (by...
calculate the amount of NaCL and water needed to prepare 50.0 mL of a 1.85% (by mass) NaCl solution. Assume that the added salt does not change the volume of the water.
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,...
Imagine the titration of 50.0 ml of 0.100 M aluminum chloride with 0.200 M silver carbonate. Calculate the volume of silver carbonate necessary to reach the equivalence point (Ve), then calculate the concentration of Ag+, Cl-, and pAg after addition of th
Imagine the titration of 50.0 ml of 0.100 M aluminum chloride with 0.200 M silver carbonate. Calculate the volume of silver carbonate necessary to reach the equivalence point (Ve), then calculate the concentration of Ag+, Cl-, and pAg after addition of the following volumes of silver carbonate a. half of the volume required to reach the equivalence point, (0.5 Ve)b. the volume necessary to reach the equivalence point, (Ve)c. 10 ml beyond the volume necessary to reach the equivalnce point, (Ve+10...
b) What volume (in mL) of 0.15 m (molality) H2SO4 is needed to prepare 50.0 mL...
b) What volume (in mL) of 0.15 m (molality) H2SO4 is needed to prepare 50.0 mL of 0.080 M (molarity) H2SO4? Please note that the first value is MOLality and the second is MOLARITY Please be clear in your answer, thank you!
Part 4. Molality of the calcium chloride solution Molality is defined as mol solute Calculate the molality of your assigned calcium chloride solution. Assume that the density of kg solvent water is 1g/mL. Questions (SHOW ALL WORK) 1. Calculate the molarity (M) of a solution when 12.80 g of glycerol (CHsOs) is added to 40.70 g of water. The density of the solution is 1,052g/ml Colligative properties like boiling point elevation depend on the number of solute particles in solution....
You are asked to prepare 100 mL of a 0.050 M solution of calcium chloride. What mass of calcium chloride would you use? * O.37 mol Caci .37 g Caci .55 g CaCl2 O 86 g Caci3 /TARAP/OneDrive/Documents/viewform.html
i. Add about 2 mL of cobalt (II) chloride solution, CoCl2(aq), to a clean test tube. Add about 10 drops of the sodium hydroxide solution, NaOH(aq). Observe any changes. j. Place about 2 mL of silver nitrate solution, AgNO3(aq), to a clean test tube. Add about 10 drops of 3M hydrochloric acid, HCl(aq). Observe any changes. i. Reactants Type of Reaction Observations: Balanced Equation i. Reactants Type of Reaction Observations: Balanced Equation
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