Solutions and Mixtures
convert 1200mL to L
1.2L
If 20g of NaCl are dissolved in 10 L of water what is the solute?
NaCl is the solute
What volume of 0.250 M H2O is needed to make 100.0 mL of 0.100 M solution?
40 mL
Do ionic compounds tend to dissolve in polar solvents? True or False?
What is the study of matter's interactions with electromagnetic radiations?
Spectroscopy
How many moles is 48 g of Oxygen?
3 moles
If 20g of NaCl are dissolved in 10 L of water what is the solvent?
H2O
A stock solution of 2.00 M MgO is available. How many milliliters are needed to make 200.0 mL of 0.750 M?
75mL
Substances with similar intermolecular forces tend to be insoluble in one another? True or False?
False
What are the most harmful rays?
Gamma Rays
What is the molarity of a solution containing .5 moles and 10 L?
.05 M
What would be the best solvent would you choose to dissolve C28H60? Nonpolar or polar?
Nonpolar
Concentrated C2H3O2 is 2.0 M. What volume is needed to make 6.00 L of 1.00 M solution?
3L
Molecular compounds will tend to dissolve in nonpolar solvents when having no dipoles and large LDF's? True or False?
What are the most safe rays?
ELF rays
How many moles of H2O are present in a .6 M and 20 L solution.
12 moles
Which of the following has a higher concentration?
4 moles in a 1 Liter solution or 4 moles in a 1.5 L solution?
4 moles in a 1 Liter solution
Concentrated HF is 24.0 M. What volume is needed to make 4.00 L of 6.00 M solution?
1L
Finish the saying: Like dissolves ____?
like
What is microwave radiation associated with?
Transitions in molecular rotational levels?
How many liters are present in a 1.2 M and 6 mole solution
5 L
Which has a higher concentration: 6 moles in a 2Liter solution or 14 moles in a 4Liter solution?
14 moles in a 4 liter solution
A 0.250 M solution is to be diluted to 2000.0 mL of a 0.500 M solution. How many mL of the 0.250 M solution are required?
4000mL
When together, will water and oil mix evenly?
No
What are Ultraviolet radiation associated with?