Solution concentration/using table F solubility charts

Presentation

•

Chemistry

•

9th Grade - University

•

Hard

•

NGSS

HS-PS1-5, HS-ESS2-5, MS-PS1-2

Standards-aligned

Katie Smit

Used 6+ times

FREE Resource

19 Slides • 23 Questions

Using solubility charts (table F) & Concentration

By Katie Smit

•Provides some general guidelines about the solubility of different salts (ionic substances)

•Used to determine whether a particular compound is soluble or insoluble in water (aqueous) solution.

•If an insoluble substance (solid) is formed in the reaction between two aqueous solutions of different salts, it is called a precipitate and settles to the bottom of the container.

Remember double replacement reactions- AgCl_(s)- (s) = solid

- LiBr?

-MgSO₄?

-AlPO₄

Multiple Choice

Which of the salts is most soluble in water?

AgI

AgBr

ZnCO₃

K₂SO₄

Multiple Choice

Which compound, when stirred in water, will not pass through filter paper?

HgCl

MgCrO₄

Na₃PO₄

Na₂S

Multiple Choice

A student observed the following reaction:

NaCl(aq) + AgNO₃₍aq) --> NaNO₃(aq) + AgCl(s)

After the products were filtered, which substance remained on the filter paper?

NaCl

AgNO₃

NaNO₃

AgCl

Multiple Choice

Which compound could form a concentrated solution? (Hint: it must be soluble)

AgBr

AgCl

Ag₂CO₃

AgNO₃

Multiple Choice

True or false: A dilute solution is "stronger" than a concentrated one.

True

False

Multiple Choice

Which pitcher is the most dilute?

125 g of mix

100 mL water

100 g of mix

100 mL water

50g of mix

100 mL water

25g of mix

100 mL water

Multiple Choice

Which pitcher of lemonade is the most concentrated?

50 g of mix

100 mL water

25 g of mix

100 mL water

200 g of mix

100 mL water

100 g of mix

100 mL water

Percent composition

% composition = part x 100%

whole

Some text here about the topic of discussion

Multiple Choice

What is the concentration, in percent by mass, of 0.62 g of solute in 45.0 g of solution?

0.014 %

1.4 %

0.13%

Multiple Choice

What is the percent by mass of a solution made by dissolving 20.0 g of NaCl into 180.0 g of water?

10.0 %

11.1 %

80.0 %

20.0 %

What mass of solute is needed to make 75.0 g of a 10% solution?

% = part x 100

whole

Some text here about the topic of discussion

Multiple Choice

What mass of solute is needed to make 75.0 g of a 3.4% solution?

2.55 g

22 g

0.05 g

What mass of water should be added to 20.0 g of KCl to make 15% by mass solution?

% = part x 100

whole

Some text here about the topic of discussion

Multiple Choice

What mass of water should be added to 22.0 g of KCl to make 5.50% by mass solution?

400 g

40 g

0.25 g

25 g

Multiple Choice

What is the percent concentration of sugar in pink lemonade if 28 g of sugar is added 209 g of water?

14.7 %

5.14 %

13.4 %

8.47 %

11.8 %

Multiple Choice

What is the percent concentration of sugar in pink lemonade if 28 g of sugar is added to water to form 209g of solution?

14.7 %

5.14 %

13.4 %

8.47 %

11.8 %

Molarity (M) (mol/L)

•Number of moles of solute in 1L of solution

•This tells us the exact strength of the solution.

•We add a specific amount of solute to a specific amount of water…once this is made, the molarity does not change.

•See Table T from Chemistry Reference Tables

Molarity = Moles of Solute = mol = M

Liters of Solution Liters

Multiple Choice

What is the molarity of 3 mole of hydrochloric acid in 3 L of water.

Multiple Choice

Molarity is measured in

moles per kg

mols per L

moles per kJ

moles per mL

Example

What is the molarity of a solution containing 82.0g Ca(NO3)2 in 2.0 L of solution?

Multiple Choice

What is the molarity of a solution containing 22.0g Ca(NO3)2 in 2.0 L of solution?

11.0 M

0.067 M

.0134 M

22.0 M

Multiple Choice

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

1.07 gram

62.7 mol

1.07 mol

62.7 grams

Multiple Choice

How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide?

Multiple Choice

What is the concentration of a solution in parts per million if 0.02 grams of NaCl is dissolved in 1000 grams of water?

2 ppm

20 ppm

200 pm

0.2 ppm

Multiple Choice

Which unit can be used to express the concentration of a solution?

L/s

J/g

ppm

kPa

Multiple Choice

What is the concentration of solution (in ppm) made up of 0.005 grams of solute in 350 grams of solution?

14.3 ppm

12.1 ppm

1.4 ppm

9.8 ppm

Multiple Choice

A solution is made from 7 grams of solute dissolved in 1450 grams of solvent. What is the concentration of this solution in ppm?

4,804.4 ppm

4,827.6 ppm

4,851.0 ppm

4,790.0 ppm

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Using solubility charts (table F) & Concentration

By Katie Smit

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