What is the concentration in ppm of a solution where 3.45g of AgNO3 is dissolved in 1000g of water?
3,450 ppm
What is the molarity of a solution where 4.6 moles of solute are dissolved in 1.8 L of solvent?
2.56 M
What is the percent composition of C in CO2?
27.2% composition
Cooking oil is a nonpolar substance. Name one other substance/molecule that would dissolve in it.
Ex: CO2, H2, hexane, heptane, F2, or any other nonpolar molecule.
Mrs.DeBruyn regularly enjoys which of the following hobbies?
A. Painting
B. Running
C. Knitting
D. Crocheting
C. Knitting
The solubility of NaCl is 0.0055 grams in 100 grams of water. What is this concentration in ppm?
55 ppm
How many moles are needed to form a 0.87 M solution with 2.3 L of solvent?
2.001 moles
What is the percent composition of C in Na2CO3?
11.3% composition
H2O and CO2 are mixed. Will they dissolve in each other? Why or why not?
No because water is polar and CO2 is nonpolar. Like dissolves like and they are not the same polarity.
Mrs. DeBruyn has a dog. What is the name of her dog?
A. Arlo
B. Kona
C. Roo
D. Spot
C. Roo
8 grams of calcium carbonate are dissolved to make a solution with a TOTAL mass of 3411 g. What is the ppm concentration?
2,350.8 ppm
1.334 moles of lithium chloride is dissolved to make a 0.76 M solution. How many liters of water do you need to use to make that solution?
1.755 L
What is the percent composition of H in (NH4)2SO4?
6.1% composition
It's IMFs aren't strong enough to disrupt the IMFs between the polar molecules.
Mrs. DeBruyn majored in what subject in college?
A. Biology
B. Spanish
C. Chemistry
D. Math
A. Biology