Chemistry, 14.09.2019 08:30 brianamitzel1013
500 ml of a solution contains 1000 mg of cacl2. molecular weight of cacl2 is 110 g/mol. specific gravity of the solution is 0. cacl2 = ca++ + 2cl-
a) express the concentration of the solution in % w/v
b) express the concentration in ratio strength
c) express the concentration in molarity (m)
d) express the concentration in molality (m)
e) how many equivalents of calcium chloride would be in 1.5 l of the solution?
Answers: 3
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Chemistry, 22.06.2019 14:00, jivsf
The two naturally occurring isotopes of chlorine are 35cl (34.969 amu, 75.77%) and 37cl (36.966 amu, 24.23%). the two naturally occurring isotopes of bromine are 79br (78.918 rm amu, 50.69%) and 81br (80.916 amu, 49.31%). chlorine and bromine combine to form bromine monochloride, brcl. 1. how many peaks will be present in a mass spectrum for brcl? the four combinations of molecule possible given these four isotopes are: 81br37cl, 81br35cl, 79br37cl, and 79br35cl. 2. what are the masses of the four different brcl molecules? express the masses using six significant figures, in decreasing numeric order (highest to lowest), separated by commas.
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500 ml of a solution contains 1000 mg of cacl2. molecular weight of cacl2 is 110 g/mol. specific gra...
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