A sample of 10ml of a solution of kbr has a mass pf 1260g
A sample of 10mL of a solution of KBr has a mass pf 12.60g. While the solution is evaporated, the residue weighs 3.80g. With this data determine:
a) The density of the solutionb) The % of mass of the solutec) The molarity of the solution
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a sample of 10ml of a solution of kbr has a mass pf 1260g while the solution is evaporated the residue weighs 380g with
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the combustion of a 250g gaseous mixture of h2 as well as ch4 releases 2354kj of heat compute the amounts of the gases
explain what are the mole fraction of nacl and water solvent in a 225m nacl water solution density of this solution is
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