QUESTIONS: EXPERIMENT 13 Date_3-23-20 1. What mass of FeCl3 is required to prepare 100 mL of...
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State the precise amount of the 0.6 M NaOH used and the amount of diluent (H2O) added Question 2 20 pts Please prepare 500 mL of a 1/100 dilution of serum from a tube with a 1/10O dilution of serum. Please state the volume of the 1/10 dilution of serum used and the volume of diluents (H2O) used 20 pts...
12. Molarity, M, is defined as A. moles of solute dissolved in 1 mol of solvent. B. moles of solute dissolved in 1 kg of solvent. C. moles of solute dissolved in 1 L of solvent. D. moles of solute dissolved in 1 L of solution. E. moles of solute dissolved in the solution. 13. What volume of 2.50 M NaOH (40.00 g/mol) contains 0.100 mole of NaOH? A. 0.250 L D. 0.250 mL B. 40.0 mL E. 0.0400 mL...
Question 53 What volume, in ml, of 0.100 M HCl is required to react completely with 0.250 g of sodium hydrogen carbonate?[MM NaHCO3=84.01] NaHCO3(s) + HCl(aq) --> NaCl(aq) + CO2(g) + H2O(1) 0.0298 mL HCI 14.9 mL HCI 29.8 ml HCI 149 mL HCI Question 54 Calculate the heat capacity, in joules per degree, for 50,0 g of nitrogen gas. [heat capacity of N2(g) = 1.04J/g°C]
1- What mass (in g) of AgNO3 is required to make 100.0 mL of a 0.100 M solution? 2. You are preparing 2.00 L of a 1.00 M solution of hydrochloric acid. You have a stock bottle of concentrated acid (12 M). How much 12 M acid do you need to make your dilution in mL? 3-What volume (in mL) of 0.125 M AgNO3 is required to react completely with 35.31 mL of 0.225 M Na3 PO4? The balanced reaction...
30. If we wish to prepare 250 mL of 0.200 M BaCl, solution, how much solid BaCl, is needed? a. 4.17 g b.5.21 g c. 10.4 g d. 20.8 g 31. A solution is prepared by dissolving 3.50 grams of NHCl in enough water to make 250 mL of solution. What is the concentration of this solution? a. 0.0327 M b. 0.0654 M c. 0.131 M d. 0.262 M 32. What is the mass of NaCl in a 0.500 L...
a) 2.00 (IV) It is desired to prepare 0.250 L of a 0.100 M solution of NaCl from a 1.00 M stock solution. How many mL of the stock solution must be taken for the dilution? (V) What volume of a 0.500 M HCl solution is needed to neutralize 10.0 mL of a 0.300 M NaOH solution. (VI) What volume of 0.416 M Mg(NO3)2 should be added to 255 mL of 0.102 M KNO, to produce a solution with a...
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...
what volume of a 2.00 M KCl solution is required to prepare 500. mL of a 0.100 M KCl solution
What volume of 6.00 M NaOH solution is required to prepare 750.0 mL of a 0.250 M NaOH solution? Explain how you would prepare this solution.
1. What is the definition of an ‘equivalence point’ in an acid/base titration? (1 point) 2. In part one of the experiment, you will prepare the acid solutions being titrated from a stock solution. Describe how you will accurately prepare 10.00 mL of 0.100 M HCl solution using a 1.00 M HCl stock solution. In your response to this question, be very specific about the quantities of stock solution and deionized water to be used in the dilution and the...