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Chemistry, 04.07.2019 06:30 clarissajimenez27
Find the number of moles in 3.30 g of (nh4)2so4? a. 0.0250 mol b. 0.0279 mol c. 132.1 mol d. 40.0 mol
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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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Find the number of moles in 3.30 g of (nh4)2so4? a. 0.0250 mol b. 0.0279 mol c. 132.1 mol d. 40.0 m...
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