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In the laboratory a student combines 45.9 mL of a 0.197 M magnesium bromide solution with 16.1 mL of a 0.541 M cobalt(II) bromide solution. What is the final concentration of bromide anion?
the us consumed 18.8 million barrels mbbl of crude oil per day in 2009. the bp gulf oil spill totaled roughly 200
calculate the standard Molar Enthalpy Change for the reaction in the reaction endothermic or exothermic
A weak acid HX has a dissociation constant (Ka) of 1 x 10?9. Which of the following statements about a 0.1 M solution of HX in water
what is the DO concentration at saturation in water if the temperature is 10degree celcius and pressure is 1 atm?express your answer in mg/l of O2(oXYGEN).
.134 mole of KCl and .212 mole of CaCl2 were dissolved in water, calculate total number of Cl ions in the solution
A 13.53 mL sample of 0.05000 M AgNO3 is added to an ion exchange column; the solution that emerges from the other side is found to be acidic. Titration of the solution that comes out of the column requires 22.75 mL of 0.02000 M KOH
lab handout - the chemistry of winemaking the biosynthesis of ethanol.1. by using yeast can glucose and fructose be
what are the products of the following acid base reaction and are the reactants or products favored? CH3-NH-CH3 + H3O+
The mass of a 150 ml beaker was determined to be 82.123 g. A sand- salt mixture was placed in the beaker and the mass of the beaker plus the mixture was determined to he 86.246 g.
Important information about Organic Oxygen Compounds, Can an ether molecule be made out of a methanol or ethanol molecule? Why or why not?
an aqueous solution of a nonelectrolyte boils at 100.32c. what is its expected freezing
A Researcher reads directions that call for addition of 25.0 mL of anhydrous ethanol (ethyl alcohol). From among the bottles in the lab, which one should she select
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