Presentation is loading. Please wait.

Presentation is loading. Please wait.

Ch. 3 & 7 – The Mole II. Molarity (p. 412-415) C. Johannesson.

Published byChrystal Bradford Modified over 6 years ago

Similar presentations

Presentation on theme: "Ch. 3 & 7 – The Mole II. Molarity (p. 412-415) C. Johannesson."— Presentation transcript:

1 Ch. 3 & 7 – The Mole II. Molarity (p ) C. Johannesson

2 substance being dissolved
A. Molarity Concentration of a solution. substance being dissolved total combined volume C. Johannesson

3 A. Molarity 2M HCl What does this mean? C. Johannesson

4 B. Molarity Calculations
6.02  1023 (particles/mol) molar mass (g/mol) MASS IN GRAMS MOLES NUMBER OF PARTICLES LITERS SOLUTION Molarity (mol/L) C. Johannesson

5 B. Molarity Calculations
How many grams of NaCl are required to make 0.500L of 0.25M NaCl? 0.500 L 0.25 mol 1 L 58.44 g 1 mol = 7.3 g NaCl C. Johannesson

6 B. Molarity Calculations
Find the molarity of a 250 mL solution containing 10.0 g of NaF. 10.0 g 1 mol 41.99 g = mol NaF 0.238 mol 0.25 L M = = 0.95M NaF C. Johannesson

Download ppt "Ch. 3 & 7 – The Mole II. Molarity (p. 412-415) C. Johannesson."

Similar presentations

Ch. 3 & 7 – The Mole II. Molarity (p. 412-415).

Ch. 3 & 7 – The Mole II. Molarity (p ).
Solution Concentration. Calculations of Solution Concentration Mole fraction Mole fraction – the ratio of moles of solute to total moles of solution.

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

The Arithmetic of Equations
Concentration. Concentration Particles per volume Can be in grams per litre but chemists usually express concentration in moles per litre This are related.

Concentration. Concentration Particles per volume Can be in grams per litre but chemists usually express concentration in moles per litre This are related.
Molarity and Molality.

Molarity and Molality.
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.

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.
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.

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.
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.

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.
Molar Concentration. Measuring Concentration Molarity (M): the number of moles of solute in 1 liter solution. Example: 0.5 moles of NaCl dissolved in.

Molar Concentration. Measuring Concentration Molarity (M): the number of moles of solute in 1 liter solution. Example: 0.5 moles of NaCl dissolved in.
1 Concentration of Solute The amount of solute in a solution is given by its concentration The amount of solute in a solution is given by its concentration.

1 Concentration of Solute The amount of solute in a solution is given by its concentration The amount of solute in a solution is given by its concentration.
Solution Concentration Section 14.2 Concentration - amount of solute dissolved in a specific amount of solvent concentrated - a lot of solute dilute.

Solution Concentration Section 14.2 Concentration - amount of solute dissolved in a specific amount of solvent concentrated - a lot of solute dilute.
Mole. Objectives: Define mole. Convert mole to number of particles.

Mole. Objectives: Define mole. Convert mole to number of particles.
IIIIIIIV C. Johannesson The Mole I. Molar Conversions.

IIIIIIIV C. Johannesson The Mole I. Molar Conversions.
Solving Stoichiometry Problems

Solving Stoichiometry Problems
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. 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:

Concentration Units: Terms like “dilute” and “concentrated” are not specific. Percent by Mass: Mass % = mass of solute x 100 Total mass of solution Recall:
III. Molarity Topic 9 The Mole. A. Molarity Concentration of a solution. total combined volume substance being dissolved.

III. Molarity Topic 9 The Mole. A. Molarity Concentration of a solution. total combined volume substance being dissolved.
Percent by mass, mole fraction, molarity, and molality

Percent by mass, mole fraction, molarity, and molality
% by Mass Another way to measure the concentration of a solution % by mass = mass solute x 100 mass solution Solution = solute + solvent.

% by Mass Another way to measure the concentration of a solution % by mass = mass solute x 100 mass solution Solution = solute + solvent.
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  -

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  -

Similar presentations

Ads by Google