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WorksheetsMolarity and molality
Total questions: 12
Worksheet time: 24mins
Molality (m) = moles of solute / _________________________.
kilogram of solvent
kiloliter of solvent
kilometer of solvent
ounces of solvent
Molar mass of NaOH is ______________________(Na =23, H=1, O=16)
40 grams/mol
50 grams/mol
45 grams/mol
38 grams/nol
molality is defined as ________________________
the moles of solute per kilogram of solvent
moles of solute per liter of solution
mass of solute/ mass of solution
mass of solute/ mass of solvent X 100
Molarity is measured in _____.
moles per g.
mols per L.
moles per mm.
moles per mL.
What do molarity and molality have in common?
Both have "moles solute" in the numerator
Both have "kg solvent" in the denominator
Both have "L solution" in the denominator
Both have "moles solution" in the denominator
What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)
(Na =23, H=1, O=16)
0.8 M
1.5M
3.0M
6.0M
A beaker contain 795 mL of 0.35M of Na2SO4 solution. Calculate the mass of Na2SO4.
(Na =23, S=32, O=16)
39.55 g
40.00 g
39.05 g
39.5 g
THE volume of 0.14 of sodium chloride solution contains 1 mg of NaCl is (a)
CALCULATE THE mass of glucose C6H12O6 which is required to be dissolved in 563 g of ethanol C2H5OH to form a solution with concentration 2.4* 10−2 (a)
(C =12, H=1, O=16)
