Give the name of the molecular compound and the name of the
aqueous solution for each of the binary compounds below.
Formula Molecular Name Acid Name
HCl
HBr
HI
Are these species strong acids or weak acids in aqueous
solution?
An aqueous solution containing 34.2g of an unknown molecular
(nonelectrolyte) compound in 143.1g of water was found to have a
freezing point of -1.5?C. Calculate the molar mass of the unknown
compound.
An aqueous solution containing 15.9 g of an unknown molecular
(nonelectrolyte) compound in 106.5 g of water was found to have a
freezing point of -2.0 ∘C.
Calculate the molar mass of the unknown compound.
An aqueous solution containing 34.1 g of an unknown molecular
(non-electrolyte) compound in 159.9 g of water was found to have a
freezing point of -1.5 ∘ C Calculate the molar mass of the unknown
compound.
Determine the concentration of NO−3 in each aqueous solution.
(Assume complete dissociation of each compound.)
0.24 M KNO3
Express your answer using two significant figures.
0.24 M Ca(NO3)2
Express your answer using two significant figures.
0.24 M Cr(NO3)3
Express your answer using two significant figures
Determine the empirical formula for each compound from the
molecular formula.
molecular formula=C3H6 empirical formula=
molecular formula=C6H12O6 empirical formula=
a) You are given 200 mL of an aqueous solution contianing 10
grams of compound A, from which are asked to separate A. How many
grams of A could be removed in a single extraction with 100 mL of
ethyl ether? Asummer that the ratio of the concentration of A in
ethyl ether to its concentration in water (i.e., the distribution
coefficient for A in ethyl ether/water) is equal to 3.0.
b) How many total grams of A can be...
a) You are given 200 mL of an aqueous solution contianing 10
grams of compound A, from which are asked to separate A. How many
grams of A could be removed in a single extraction with 100 mL of
ethyl ether? Asummer that the ratio of the concentration of A in
ethyl ether to its concentration in water (i.e., the distribution
coefficient for A in ethyl ether/water) is equal to 3.0.
b) How many total grams of A can be...