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WorksheetsChemistry Final Review Part 3
Total questions: 10
Worksheet time: 5mins
A container has 0.679 mol of gas at STP. How many liters does this gas take up?
15.2 L
0.303 L
56.0 L
24.7 L
A chemical reaction in the human body produced 1.770 L of methane (CH₄) gas at STP. How many moles of methane (CH₄) were produced in the reaction?
39.65 L
0.7900 L
98.59 L
6.749 L
Water is known as the (a) solvent.
The bent structure of water causes it to be highly (a) .
100 g of 60°C water has 30 g of K₂Cr₂O₇ dissolved in it. Is this solution saturated, unsaturated, or supersaturated?
saturated
unsaturated
supersaturated
How many grams of KCl can be dissolved in 100g of 74°C water?
50 g
40 g
70 g
60 g
4.03 mol of solute are dissolved in 5.71 L of solution. What is the molarity of the solution?
0.706 M
1.42 M
1.13 M
0.957 M
A student has 250 mL of a 5.0 M HCl solution. What would the total volume of this solution be if the student diluted it to a 0.750 M HCl solution?
1.67 L
1.50 L
1.18 L
1.48 L
A student spills a nonpolar oil onto a lab table. Which of the following solvents would clean the lab table the best?
Toluene
Water
Acetone
DMSO
Which of the following will DECREASE the rate of dissolution for a solid polar solute in water?
Reducing the temperature
Agitating (stirring) the solution
Increasing the surface area of the solute
Increasing the temperature
