Amount of bromine that reacted =
100.0 g - 8.5 g = 91.5 g
Amount of compound formed =
100.0 g + 10.3 g - 8.5 g = 101.8 g
Natural sources of bromide include salt lakes, seawater, the crust of the planet, and submarine brines ( Van Briesen 2014 ). Bromide is also present in various amounts in fossil fuels like coal.
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