WorksheetsSolution Chemistry
Total questions: 18
Worksheet time: 1hrs 26mins
What is the molarity of 4 g of NaCl in 3,800 mL of solution?
0.018 M
0.0011 M
1.052 M
0.062 M
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl?
0.625 g NaCl
625 g NaCl
36.56 g NaCl
0.04 mol NaCl
Find the molarity of 186.55 g of sucrose (C12H22O11) in 250 mL of water.
2.18 M
0.746 M
1.18 M
0.545 M
Which sweet tea would you expect to taste the sweetest?
1M
3M
5 M
2.5M
Kool-Aid - flavoring, coloring, sugar, and water. Identify the solvent.
water
powder
sugar
powder and sugar
How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?
7.5 mL
15 mL
1333 mL
200 mL
Molarity is ...
grams of solute/deciliters of solvent.
grams of solute/liters of solution.
moles of solute/liters of solution.
moles of solute/milliliters of solvent.
If I have 340 mL of a 0.5 M NaBr solution, what will the concentration be if I add 560 mL more water to it?
.188 M
3.78 M
.389 M
1.76 M
How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?
27.8 mL
.278 mL
2.8 mL
278 mL
If you have a sample of MgCl2 with a mass of 15.0 g, what would need to be the final volume of the solution if you need the concentration to be 0.25 M?
630 mL
0.63 mL
0.039 mL
39 mL
You have been asked to prepare 500 mL of a 2.5 M solution of NaOH. How much NaOH should you measure out before adding water?
10g
100g
50g
80g
What volume of water must be added to 25 mL of a 4.0 mol/L solution of potassium carbonate solution to dilute it to a concentration of 1.6 mol/L?
27.2 mL
29.4 mL
31.5 mL
38.0 mL
Concentrated sulfuric acid (H2SO4) is sold as an 18 mol/L solution. A company uses this concentrated solution to prepare 2.0 L bottles of 0.5 mol/L sulfuric acid. How many 2.0 L bottles can be prepared from each litre of concentrated solution?
27
9
18
36
If the initial volume of the swimming pool was 3.0 x 1010 L of water with a chlorine concentration of 3.2 M what has the concentration become if enough water has dissolved to lower the volume of the pool to 2.67 x 1010 L?
3.6 M
2.8 M
4.2 M
1.7 M
A lab requires 500 mL of HCl with at a concentration of 0.25 M, in the chemical storage you find a large 2.5 L bottle of concentrated HCl at 15 M. What volume of the concentrate should be used to make your final solution?
8.33 mL
50.0 mL
25.0 mL
12.67 mL
You begin with a solution of 400 grams of potassium chloride (KCl) dissolved in 1250 mL of water. If water is added until a new volume of 1662.5 is reached, what is the final molarity of the solution?
3.2 M
4.3 M
5400 M
5.4 M
