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Question 11 What is the molarity of Nat when 100.0 mol of Na2SO4 is dissolved in...
What is the molarity of Na when 100.0 mol of Na2SO4 is dissolved in 20.00 L of water. (Assume the volume of solution equals the volume of water.) What is the molarity of SO42- when 100.0 mol of Na2SO4 is dissolved in 20.00L of water. (Assume the volume of solution equals the volume of water.) How many moles of sulfuric acid are in 300.0 mL of 2.00 M H2SO4(aq) What volume (in mL) of 5.00 M HCl(aq) contains 10.0 mol...
3 pts Question 10 What is the molarity of a sodium chloride solution when 10.0 mol of NaCl are dissolved in 5.00 x 102mL of water? (Assume the solution volume equals the volume of water.) 20.0M 0.0200M 0.200M 2.00 M
21. What mass of Na2SO4 must be dissolved in 100.0 grams of water to lower the freezing point by 2.50 °C? The freezing point depression constant, Kfp, of water is -1.86 °C/m. Assume the van't Hoff factor for Na2SO4 is 2.95.
What is the molarity of a solution made by dissolved 4.73 mol NaCl in water to make 1.79 L of solution. What is the molarity of a solution made by dissolving 4.73 mol NaCl in water to make 1.79 L of solution? 2.64 M O 0.378 M 154 M 8.47 M
SOLUTIONS (Molarity, Molality) SECTION 9) What is the molarity [MJof a solution that is made by dissolving 2.00 moles of solute in 300. mL of solution? 10) What is the molarity of the solution when 0.400 moles of copper sulfate dissolves in 0.200 liters of solution? 11) What is the molarity of solution when 16.88g of sodium chloride is dissolved in water to a total volume of 1000.00 ml? What is the mass percent of 10.0 grams Mg (NO3)2 dissolved...
Given 15.0 g of NaCl (MM of NaCl = 58.44 g/mol) is dissolved in 100.0 g of water: a. Determine the mass percent of this solution. b. Assume the density of the solution is 1.00 g/ml, calculate the molarity of the solution.
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...
A 5.9957 g sample of Na, CrO, (MW = 161.97 g/mol) is dissolved in 1000.0 mL of water. Assume the solution has a density of 1.00 g/mL What is the concentration of Na* (MW = 22.9898 g/mol) in the solution in units of molarity (M)? concentration: М What is the concentration of Na+ in the solution in units of parts per thousand (ppt)? concentration: ppt A 50.0 mL aliquot of the solution is then diluted to a final volume of...
a. A student dissolved 20.00 g of Na2SO4 in enough water to make 250 mL of stock solution. How many mL of the stock solution would the student need to use in order to make a 150 mL of 0.100 M solution? b. In an acid-base titration, 82.56 mL of 0.175 M NaOH titrant reacts with 100.0 mL of an unknown concentration of HCl solution. What is the density of the HCl solution?
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...