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2) Calculate the molality of each of the following solutions: (a) 10.0 g of benzene (CH)...
Calculate the molality of each of the following solutions:
(a) 15.5 g of sucrose (C12H22O11)
in 745 g of water,
__ m
(b) 9.29 moles of ethylene glycol
(C2H6O2) in 4985 g of water.
__ m
Be sure to answer all parts. Calculate the molality of each of the following solutions: (a) 15.5 g of sucrose (C12H2201n) in 745 g of water, (b) 9.29 moles of ethylene glycol (C2H6O2) in 4985 g of water.
Calculate the molality for each of the following solutions. Then, calculate the freezing-point depression ATF = iKFCm produced by each of the salts. (Assume the density of water is 1.00 g/mL and KF = 1.86°C/m.) (a) 1.8 M NaCl (Assume the density of the solution is 1.00 g/mL.) Cm = 4.9 2.0 m ATF = 49 7.5 ✓ °C (b) 24 g of KCl in 1.6 L of water cm = 49, 0.20 ATF = 49) 0.75 (c) 250 ppm...
calculate the molality (m) of the following solutions:
40.0 g of glucose, CH1206 a nonelectrolyte, added to 132 g of water ΑΣΦ Α Σ Ο Submit Request Answer Part B 119 g of sucrose, C2H22011, a nonelectrolyte, dissolved in 1.75 kg of water ΜΗ ΑΣΦ Submit Request Answer
Calculate the percent by mass of solute in each of the following solutions. (a) 1.28 g of potassium chloride dissolved in 12.5 g of water % (b) 1.28 g of potassium chloride dissolved in 25.0 g of water (c) 1.28 g of potassium chloride dissolved in 37.5 g of water % (d) 1.28 g of potassium chloride dissolved in 50.0 g of water %
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...
8-47 Calculate the mass-volume percent of MgCl, in each of the following solutions. a. 5.0 g of MgCl, in enough water to give 250 mL of solution b. 85 g of MgCl, in enough water to give 580 mL of solution 8-43 Calculate the volume percent of solute in each of the following solutions. a. 20.0 mL of methyl alcohol in enough water to give 475 mL of solution b. 4.00 mL of bromine in enough carbon tetrachloride to give...
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml solution b. 8.28 g Ca(C,H,O,), in 414 ml solution c. 31,1 g Al,(80.), in 766 ml solution d. 59.8 g CaCl, in 100 ml solution e. 313.5 g LICIO, in 250 ml solution | 849 Calculate the moles of solute needed to prepare each of the following: 2. LOL of a 3.0 M NaCl solution b. 0.40 L of a 1.0 M KBr solution...
What is the concentration of each of the following solutions? A.) The molality of a solution prepared by dissolving 27.5 g of H2SO4 in 1.40 L of water B.) The mole fraction of each component of a solution prepared by dissolving 2.20 g of nicotine, C10H14N2, in 90.0 g of CH2Cl2
0.150 mol of a solute is dissolved in 300. g of carbon tetrachloride. Calculate (a) the mole fraction and (b) the molality of solute.
0.150 mol of a solute is dissolved in 300. g of carbon tetrachloride. Calculate (a) the mole fraction and (b) the molality of solute.