Question 1 What is the volume (in mL) of 18.0 M H 2 SO 4 is needed to contain 2.45g H 2 SO 4 ?

Slides:

Advertisements

Similar presentations

Solution Concentration. Calculations of Solution Concentration Mole fraction Mole fraction – the ratio of moles of solute to total moles of solution.

Advertisements

Practice: Know your vocabulary!

Molarity Calculation practice. #1 M = mol L What is the concentration of a solution with 0.25 mol of solute in 0.75 L of solution? M = 0.25 mol = 0.33.

 What is the molarity of a bleach containing 9.5 grams of NaOCl per liter of bleach?  How many grams of CaCl 2 would be dissolved in 0.75 L of water.

Dilution Practice Remember! M 1 V 1 = M 2 V 2 M 1 = concentration of stock solution V 1 = volume of stock solution M 2 = goal concentration V 2 = goal.

1 Chapter 10 Acids and Bases 10.10Dilutions. 2 Dilution Diluting a solution Is the addition of water. Decreases concentration. ConcentratedDilutedSolution.

Solutions Chapter 12 Modern Chemistry

Solution Concentration. Calculations of Solution Concentration: Mass Percent Mass percent Mass percent is the ratio of mass units of solute to mass units.

Molarity, Molality, Dilutions, Percent Solutions, & Mole Fractions

Dilutions and Percent Solutions

Molarity  Molarity = grams / molar mass / Liters  Liters = grams / molar mass/ Molarity  Grams = Molarity x Liters x molar mass.

Examples-Molarity and Dilutions. Example What is the molarity of a solution that contains 4.5 moles of sucrose in L of water?

Solution Concentration Section 14.2 Concentration - amount of solute dissolved in a specific amount of solvent concentrated - a lot of solute dilute.

Preparing a Molar Solution

DETERMING CONCENTRATIONS OF SOLUTIONS. MOLAR Molar is mol solube/1 L solution Making molar solution 1)Add ½ of the total solvent 2)Add required amount.

1 Molarity. 2 Review of Converstions Fractions that = 1 Different units and numbers that equal each other Example: 1 in. = 2.54 cm Factors: 1 in. OR 2.54.

Molarity. Calculations Using The Molarity Equation 1 st.) Calculate the molarity if you are given the components of the solution. 2 nd.) Calculate the.

Concentration Units: Terms like “dilute” and “concentrated” are not specific. Percent by Mass: Mass % = mass of solute x 100 Total mass of solution Recall:

Section 15.2 Describing Solution Composition 1. To understand mass percent and how to calculate it Objective.

Unit 8: Solutions Molarity. Concentration Concentration is a value that represents the amount of solute dissolved in a solvent.  Concentrated solutions.

III. Molarity Topic 9 The Mole. A. Molarity Concentration of a solution. total combined volume substance being dissolved.

Solution Chemistry Test Review Work Stations. Station 1 – Solubility Concepts 1.Identify the three factors that affect the rate of solution formation.

Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

Section 6.2—Concentration

Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

Jeopardy Start Final Jeopardy Question Percent Solutions MolarityDilutions Mixed Practice

Molarity  Unit of Concentration  There are many units of concentration  Molarity is most useful to the chemist M = moles of solute Liters of solution.

Daily Inquiry: 1.Many solutions are described as concentrated or dilute. Distinguish between these two terms. 2.A solution is made by dissolving 4.75 g.

Solution Concentration. Concentration Describes the amount of solute dissolved in a specific amount of solvent.

MEASURING CONCENTRATION OF IONS IN SOLUTION Molarity is ONE way to do this…we will learn others later in the year!!!

Daily Inquiry: 1.Many solutions are described as concentrated or dilute. Distinguish between these two terms. 2.A solution is made by dissolving 4.75 g.

Lesson 2 Ion Concentration. 1. What is the concentration of each ion in a M AlCl 3 solution? AlCl 3  Al 3+ +3Cl -

Chapter 4 The Composition of Solutions Expressing Solubility M = Molarity = moles solute / liters of solution.

Molar Concentrations. Molarity is the number of moles of solute that can dissolve in 1 L of solution. Molar concentration (mol/L) = Amount of solute (mol)

Molarity • Molarity is a measure of molar concentration

Making Molar Solutions From Liquids (More accurately, from stock solutions)

Solutions & Solubility Concentration. Concentrations of Solutions Concentration of a solution is a measure of the amount of solute that is dissolved in.

Making Solutions and Dilutions Unit 13 – PPT 2. Molarity  M = moles solute/liters of solution  Uses the symbol M  Example:  2 moles of glucose are.

Topic 6. 5 Solutions. Solutions are homogeneous mixtures. The most common way to express solution concentration is by molarity.

Preparing Solutions & Colligative Properties

Solution Concentration

Unit 13: Solutions & Equilibrium

Aim # 18: What are some other methods of expressing the concentration of a solution? H.W. # 18 Study pp (sec ) STUDY class notes Complete.

Making Dilutions M1 x V1 = M2 x V2

DILUTING A STOCK SOLN To make a soln less concentrated: add solvent

Solutions Review What is the molarity of a solution made by dissolving 0.35 mol in 145 milliliters of solution?

Molarity (M): State the ratio between the number of moles of solute & the volume of solution (in liters). Molarity (M) =

Molarity and Dilutions

Preparing Solutions & Colligative Properties

CONCENTRATION OF SOLUTIONS

Solutions: Concentrations

Section 2: Concentration

Ion Concentration.

Molarity & Dilution.

Molarity and Dilution Solution Chemistry.

Solution Concentration

12-3: Concentration of Solutions

Concentration of Solute

Which one of these is more concentrated?

Preparing Solutions & Colligative Properties

Diluting Solutions Lesson 6.

Ion Concentration.

Warm-up Define solute and solvent What is a super saturated solution?

Solution Concentration

Molarity (M): State the ratio between the number of moles of solute & the volume of solution (in liters). Molarity (M) =

Presentation transcript:

Question 1 What is the volume (in mL) of 18.0 M H 2 SO 4 is needed to contain 2.45g H 2 SO 4 ?

Question 2 How many moles of NaCl are contained in 100 ML of 0.2M solution?

Question 3 Determine the grams of solute to prepare this solution: 0.289L of a M Cu(NO 3 ) 2 solution.

Question 4 Determine the final volume of this solution: 4.67 moles of Li 2 SO 3 dissolved to a make a 3.89M solution.

Question 5 Given a 4M stock of sodium chloride, NaCl, how would you prepare 100mL of 1M NaCl?

Question 6 You need 100 mL of 0.4 M protein solution. How much 0.5M solution do you use?

Question 7 What is the molarity of a solution that contains 4.53 moles of lithium nitrate in 2.85 liters of solution?

Question 8 A flask contains 85.5g C 12 H 22 O 11 (sucrose) in 1L of solution. What is the molarity?

Question 9 Calculate the molarity if a flask contains 1.54 moles potassium sulfate in 125 mL of a solution.

Question 10 If 10.7 grams of NH 4 Cl is dissolved in enough water to make 800 mL of solution, what is the molarity of the solution?

Question 11 Calculate the molarity of the solution prepared by dissolving 6.8 grams of AgNO 3 in enough water to make 2.5 L of solution.

Question 12 How many moles of CaCl 2 are required to prepare 2L of 0.7M CaCl 2 ?

Question 13 How many grams of KNO3 will be required to prepare 800 mL of a 1.4M solution?

Question 14 Calculate the volume of a 1.25M solution of HCN made from 31 grams of HCN.

Question 15 How would you prepare 800 mL of a 0.5M solution from a 3M stock solution?

Question 16 Water is added to 200mL of a 3M solution of CaCl2 to increase the volume of the solution to 400 mL. What is the new concentration?

Question 17 What volume is made when 200 mL of a 3M sucrose solution is diluted to make a 0.6M solution?

Question 18 Calculate the concentration, in grams per milliliter of 116g of KF dissolved in 4L of solution.

Question 19 What would be the percentage mass/volume if 40 mg were dissolved in 150 mL of buffer?