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If 7.5 g of sodium nitrate, NaNO3 is dissolved in 85ml of H20 (density of H2O = 1.0g/ml), calculate the %(wt/wt) concentration of H20 in the solution. Given: %3D 612

If 7.5 g of sodium nitrate, NaNO3 is dissolved in 85ml of H20 (density of H2O = 1.0g/ml), calculate the %(wt/wt) concentration of H20 in the solution. Given: %3D 612

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Molality s he oncentration f solution * Use molarity when you have a solid solute and a liquid solvernt expressed in moles of solute per KILOGRAM of solvent. Its symbol is m, its units are moles of solute/kg of solvent, and it is written as 1.000 m NaOH for a one molal concentration solution of sodium hydroxide. *Larger molarity values means a more concentrated solution *Ex: What is the molarity of a solution that has 2 moles of KOH in 4 L of water? moles solute moles solute Molarity (M)= moles of solute L solvent Molality(m) mass of solvent (kg) 2 moles %3= n C notuloa e to noltsine elom edj etslupie to Im 0as ni HOX.ebikonbyrimuizastda ig KOH IU S20 ES enisinoɔ et itulo ACTIVITY 1: PROBLEM SOLVING S 1sloM.noi Directions: Solve the following problem. Show your complete solutions 1. Percent by Mass Concentration If 7.5 g of sodium nitrate, NaNO3 is dissolved in 85ml of H2O (density of indisutor = 1.0g/ml), calculate the %(wt/wt) concentration of H2O in the solution. Given: VileloMa HO 82 2l HO)gM to 22em slom srT S0H 1916wg022 n uizangsM.2alom A.0nl inezs1g 2i stuloz to 2ms18 vnem oH Solution: inoltulo2 2. Percent by Volume Concentration A brand of rubbing alcohol says, it contains 70% (vol/vol) isopropyl alcohol. How many mL of isopropyl alcohol are there in 600 ml of the solution in the bottle? Given: Solution: 88 3. Percent by Mass/Volume Concentration botold The label of betadine skin cleanser says 7.5 % solution. Taking it to be % oiai DILGC (wt/vol), how many grams of betadine (Providone-lodine) are present in 50 mL bottle? bome Given: Solution: viles1 ton t viles ton 2 turi agnidT of insw I 2gniT CIGST
Transcribed Image Text:Molality s he oncentration f solution * Use molarity when you have a solid solute and a liquid solvernt expressed in moles of solute per KILOGRAM of solvent. Its symbol is m, its units are moles of solute/kg of solvent, and it is written as 1.000 m NaOH for a one molal concentration solution of sodium hydroxide. *Larger molarity values means a more concentrated solution *Ex: What is the molarity of a solution that has 2 moles of KOH in 4 L of water? moles solute moles solute Molarity (M)= moles of solute L solvent Molality(m) mass of solvent (kg) 2 moles %3= n C notuloa e to noltsine elom edj etslupie to Im 0as ni HOX.ebikonbyrimuizastda ig KOH IU S20 ES enisinoɔ et itulo ACTIVITY 1: PROBLEM SOLVING S 1sloM.noi Directions: Solve the following problem. Show your complete solutions 1. Percent by Mass Concentration If 7.5 g of sodium nitrate, NaNO3 is dissolved in 85ml of H2O (density of indisutor = 1.0g/ml), calculate the %(wt/wt) concentration of H2O in the solution. Given: VileloMa HO 82 2l HO)gM to 22em slom srT S0H 1916wg022 n uizangsM.2alom A.0nl inezs1g 2i stuloz to 2ms18 vnem oH Solution: inoltulo2 2. Percent by Volume Concentration A brand of rubbing alcohol says, it contains 70% (vol/vol) isopropyl alcohol. How many mL of isopropyl alcohol are there in 600 ml of the solution in the bottle? Given: Solution: 88 3. Percent by Mass/Volume Concentration botold The label of betadine skin cleanser says 7.5 % solution. Taking it to be % oiai DILGC (wt/vol), how many grams of betadine (Providone-lodine) are present in 50 mL bottle? bome Given: Solution: viles1 ton t viles ton 2 turi agnidT of insw I 2gniT CIGST
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