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3. The Laboratory custodian prepared saturated NaNOa) solution of 10.9 M at 25°C. How many grams of NANO, are in 230 ml of the solution at the same temperature? a) 195.5 g b) 194.6 g c) 196.5 g d) 19.8 g 4. A beaker of 175 ml Of 0.950 M NaCl left uncovered for a period. If, by the end of the time period, the volume of solution in the beaker has decreased to 137 ml (the volume loss is due to water evaporation) What is the resulting concentration of the solution? a.)1.21 M b) 12.1 M c) 1.44 M d) 1.21 M

3. The Laboratory custodian prepared saturated NaNOa) solution of 10.9 M at 25°C. How many grams of NANO, are in 230 ml of the solution at the same temperature? a) 195.5 g b) 194.6 g c) 196.5 g d) 19.8 g 4. A beaker of 175 ml Of 0.950 M NaCl left uncovered for a period. If, by the end of the time period, the volume of solution in the beaker has decreased to 137 ml (the volume loss is due to water evaporation) What is the resulting concentration of the solution? a.)1.21 M b) 12.1 M c) 1.44 M d) 1.21 M

World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section: Chapter Questions
Problem 63A
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3. The Laboratory custodian prepared saturated NaNOy) solution of 10.9 M at 25°C. How many grams of NaNO, are in 230 ml of the solution at the same temperature? a) 195.5 g b) 194.6 g c) 196.5 g d) 19.8 g 4. A beaker of 175 ml Of 0.950 M NaCI left uncovered for a period. If, by the end of the time period, the volume of solution in the beaker has decreased to 137 ml (the volume loss is due to water evaporation) What is the resulting concentration of the solution? a.)1.21 M b) 12.1 M c) 1.44 M d) 1.21 M
Transcribed Image Text:3. The Laboratory custodian prepared saturated NaNOy) solution of 10.9 M at 25°C. How many grams of NaNO, are in 230 ml of the solution at the same temperature? a) 195.5 g b) 194.6 g c) 196.5 g d) 19.8 g 4. A beaker of 175 ml Of 0.950 M NaCI left uncovered for a period. If, by the end of the time period, the volume of solution in the beaker has decreased to 137 ml (the volume loss is due to water evaporation) What is the resulting concentration of the solution? a.)1.21 M b) 12.1 M c) 1.44 M d) 1.21 M
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