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IIIIIIIV II. Molarity (p ) Ch. 3 & 7 – The Mole
A. Molarity n Concentration of a solution. total combined volume substance being dissolved
A. Molarity 2M HCl What does this mean?
B. Molarity Calculations molar mass (g/mol) (particles/mol) MASS IN GRAMS MOLES NUMBER OF PARTICLES LITERS OF SOLUTION Molarity (mol/L)
B. Molarity Calculations n How many grams of NaCl are required to make 0.500L of 0.25M NaCl? L0.25 mol 1 L = 7.3 g NaCl g 1 mol
B. Molarity Calculations n Find the molarity of a 250 mL solution containing 10.0 g of NaF g 1 mol g = mol NaF mol 0.25 L M == 0.95M NaF
II III I II. Solution Concentration (p. 480 – 488) Ch. 14 – Mixtures & Solutions.
Copyright©2000 by Houghton Mifflin Company. All rights reserved. 1 Chemistry Properties of Solutions.
II III I II. Solution Concentration (p. 480 – 486) Ch. 16 – Solutions.
Solution Concentration. Calculations of Solution Concentration Mole fraction Mole fraction – the ratio of moles of solute to total moles of solution.
III. Molarity Topic 9 The Mole. A. Molarity Concentration of a solution. total combined volume substance being dissolved.
MOLARITY – Ch 13, p. 412 Quantifies the concentration of a solution. Molarity (M) = mol solute = n = mol volume solution V L Read as “moles solute per.
Molarity What is it and how is it calculated?. Molarity What is it? A measurement of a solution’s concentration How much solute is dissolved in a solvent.
Molarity. Molarity Molarity (M) or molar concentration is a measure of the concentration of a solute in a solution. Unit for molar concentration is mol/L.
% by Mass Another way to measure the concentration of a solution % by mass = mass solute x 100 mass solution Solution = solute + solvent.
Molarity and Molality. Molarity (M) number of moles of solute (n) per liter (L) of solution Molarity (M) = Moles of Solute Liters of Solution Note: Moles.
Molarity moles of solute Liters of solution Unit for molarity mole mol LiterL = M.
Molar Concentration. Measuring Concentration Molarity (M): the number of moles of solute in 1 liter solution. Example: 0.5 moles of NaCl dissolved in.
Ch. 13/14: Solutions Describing a Solution’s Composition.
IIIIIIIV C. Johannesson The Mole I. Molar Conversions.
Solutions and Concentrations Notes Page 5. SOLUTIONS A homogenous mixture of two or more substances.
One liter of 5.0 M HCl contains how many moles of HCl? M = 5.0 mol= ? L = 1 L x = 5 mol.
Concentration Units: Terms like “dilute” and “concentrated” are not specific. Percent by Mass: Mass % = mass of solute x 100 Total mass of solution Recall:
Concentration of Solutions What is Concentration? What is Concentration? The amount of solute dissolved in a specified amount of solution The amount of.
SECTION 9.1 The Arithmetic of Equations. Interpreting Chemical Equations In terms of moles: Example Equation: 2H 2 + O 2 2H 2 O 2 mol H2 +1 mol O2 =2.
CONCENTRATION AND DILUTIONS. Concentrations of Solutions ■a dilute solution contains only a small amount of solute ■concentrated solution contains a large.
IIIIIIIV Topic 6 The Mole I. Molar Conversions A. What is the Mole? n A counting number (like a dozen) n Avogadro’s number (N A ) n 1 mol = 6.02 10.
Solving Stoichiometry Problems Objectives: 1. Name four major categories of stoichiometry problems. 2. Explain how to solve each type of stoichiometry.
II III I II. Concentration Solutions. A. Concentration The amount of solute in a solution. Describing Concentration % by mass - medicated creams %
1 Concentration Day 2: Chapter 14. CONCENTRATION The amount of solute present in a set amount of solvent or total solution. The amount of solute present.
Water and Aqueous Systems Chapter 15. Properties of Water High surface tension Low vapor pressure High boiling point **All due to high intermolecular.
Molarity. Calculations Using The Molarity Equation 1 st.) Calculate the molarity if you are given the components of the solution. 2 nd.) Calculate the.
Molarity Unit of Concentration There are many units of concentration Molarity is most useful to the chemist M = moles of solute Liters of solution.
M OLARITY Solutions. M OLARITY (M) Is the number of moles of solute dissolved per Liter of solution. Also know as molar concentration. Unit M is read.
Molarity Molarity is a measure of molar concentration. Molarity equals moles over liters 1 M = 1mol/L The symbol M is read molar so “1 M HCl” is read “one.
a measure of the amount of solute that is dissolved in a given quantity of solvent unit of measurement is Molarity (M) which is moles/liter can be dilute.
Dilutions and Percent Solutions Unit 8 – Solutions Chapter 15.
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.
Solution Concentration. Calculations of Solution Concentration: Mass Percent Mass percent Mass percent is the ratio of mass units of solute to mass units.
Solution Concentration Section 14.2 Concentration - amount of solute dissolved in a specific amount of solvent concentrated - a lot of solute dilute.
Biotech Equations. Preparing Solutions What is a solution? – Mixture of two ore more substances Solutions have two parts – Solute – substance that is.
Solutions & Solubility Concentration. Concentrations of Solutions Concentration of a solution is a measure of the amount of solute that is dissolved in.
It’s really not that bad. mol - the quantity of a given substance that contains as many molecules or formula units as the number of atoms in exactly.
PERCENT BY MASS, MOLE FRACTION, MOLARITY, AND MOLALITY CONCENTRATION UNITS.
Preparing a Molar Solution How many grams of sucrose (C 12 H 22 O 11 ) is needed to prepare one liter of a 1.50 M solution? You’ll need the molar mass.
Concentration. Concentration Particles per volume Can be in grams per litre but chemists usually express concentration in moles per litre This are related.
Molarity (M) Expresses solution concentration M = moles of solute / liters of solvent Molarity, molar, M, and mol/liter all represent the same ratio Episode.
CONCENTRATION OF SOLUTIONS. Solute + The amount of solution can be expressed by: - mass m (g, kg) or - volume V (cm 3, mL, dm 3, L, m 3 ) m = V x -
Chemists describe solutions in terms of concentration. We define the concentration of a solution as the amount of solute in a given volume of solution.
Chapter 8 Molarity Part 1. Solutions Solute The substance that dissolves (the minor component of a solution). KMnO 4.
Concentration Calculations Molarity. Objectives To calculate the molecular weight and moles of a substance To calculate the Molarity of a substance using.
1 Concentration Concentration is the amount of solute dissolved in an amount of solution. Molar concentration is called Molarity, or M. M = moles of solute.
SEPARATING SOLUTIONS CONCENTRATIONS AND MOLARITY SOLUBILITY AND DISSOLVING Solutions.
I. I.Stoichiometric Calculations Solution Stoichiometry – Ch. 16.
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