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?
the phrase that Ksp is short for
solubility product equilibrium
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 do the ions Na, K, Li, and Fr have in common?
they are always soluble
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
BaSO4, PbSO4, Ag2SO4 and SrSO4 . What does this group of compounds have in common?
they are never soluble
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
The following salts will affect the solubility of FeCO3, except:
A. NaHCO3, B. NaCl, C. H2CO3, D. Na2CO3, E. HCl
B.
why are nitrates commonly used to separate ions in solution?
because they are always soluble
what is the number 1 ranked team in college basketball in the USA?
Gonzaga of course
Which of the following has a higher concentration of ions?
4 moles of glucose in a 1 liter solution of 3 moles of salt in a 1.45 L solution?
3 moles of salt in a 1.45 L solution.
Concentrated HF is 24.0 M. What volume is needed to make 4.00 L of 6.00 M solution?
1L
why does your skin not dissolve when you wash your hands?
because your skin is non-polar and like dissolves like
What is the concentration of Chromate ions in a saturated solution of lead (II) Chromate?
Ksp = 1.8 x 10^-14
1.7 x 10^-7M