
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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A solution is made using 257.7 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density 1.000 g/mL). What is the molality methanol in water?
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- A solution is prepared by dissolving 8.62g of KCL (MM = 74.55 g/mol) into 265g of water. The density of the solution is 1.06 g/mL. What is the molarity of the solution? What is the molality of the solution? What is the (w/w)%?arrow_forwardA Vitamin C packet is added to a glass of water containing 280.0 mL of solution. The Vitamin C packet contains 1000.0 mg of Vitamin C. What is the concentration of Vitamin C in ppm in the resultant solution? (Assume density of solution = 1.00 g/mL)arrow_forwardAn aqueous solution of a certain covalent compound has a density of 1.058 g/mL, an osmotic pressure of 25.98 atm at 25.0 °C, and a freezing point of -2.66 °C. What is the molality of the solution? 1.43 in mol/kg What is the molar mass of the compound? in g/mol Evaluatearrow_forward
- A solution is made using 80.9 g of xylene (MM = 106.2 g/mol) and 85.0 g of toluene (MM = 92.13 g/mol). What is the molality of the xylene in the solution?arrow_forwardA solution is made using 190.5 of hexane (MM = 86.18 g/ mol) and 200.0 g of octane (MM = 114.2 g/mol). What is the molality of the hexane in the solution?arrow_forwardA solution is made using 164.9 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density 1.000 g/mL). What is the molality ethanol in water?arrow_forward
- A solution is made using 82.5 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11 g/mol). What is the molality of the toluene in the solution?arrow_forward5. If a solution has 0.20 moles of NaCl dissolved in 100.0g of water, what is it's molality? 6. If the density of the solution in problem 5 is 1.05 g/mL, what is the molarity of the solution?arrow_forwarda sodium hydroxide solution that contains 41.5 grams of NaOH per L of solution has density of 1.08 g/mL. Calculate the molality of the NaOH in this solutionarrow_forward
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