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An aqueous {NaCl} solution is made using 127g of {NaCl} diluted to a total solution volume of 1.00L.
a. Calculate the molarity of the solution ___M
b. Calculate the molality of the solution. (Assume a density of 1.08g/mL for the solution.) ____m
c. Calculate the mass percent of the solution. (Assume a density of 1.08 g/mL for the solution.) ___%
The combustion of ethane produces carbon dioxide and steam: 2C2H6 + 7O2 --- 4CO2 +6H20 How many moles of CO2 are produces when 5.55 mol of ethane are burned in an excess of oxygen.
A solution is made by dissolving 25g of NaCl in enough water to make 1.00 L of solution. Assume that the density of the solution is 1.00 g/cm3. Calculate the mass percent, molarity, molality, and mole fraction of NaCl
provide mechanism for trans-1-bromo-2-methylcyclohexane rxn under e2 conditions draw arrows. why is the product different from e1?
Suppose that an 85.0 laboratory animal ingested 10.0 of a substance that contained 2.45% by mass , an alpha emitter with a half-life of 24,110 years. What is the animal's initial radiation exposure in Curies
What mass of water is produced from the complete combustion of 8.10×10?3 of methane
The graph above shows the titration curves of four monoprotic acids of varying strengths. All of the acids start out at 0.1 M concentration and 25.0 mL volume. Choose all of the correct statements about these titration curves from the choices belo..
The compound aluminum chloride is widely used to control chemical reactions in industry. It is made by the following reaction: Al2O3(s) + 3C(s) + 3Cl2(g)→ 2AlCl3(s) + 3CO(g)
No carbon atom in the structure of Y has more than one oxygen atom bonded to it, and Y can exist in two (and only two) stereoisomers forms. What are the structures of these forms of Y?
Why is it possible to us ehtnol to extract an organic compound from water even though most organics are more soluble in ethanol than in water?
10.0 mL of a 0.30 M sodium phosphate solution reacts with 20.0 mL of a 0.20 M lead(II) nitrate solution (assume no volume change). What is the concentration of phosphate ions left in solution after the reaction is complete
Which reactant is the limiting reagent? This question has been answered on here, the answer is .629NaOH and Cu is limiting reagent.
we can see that the amount of heat released is 1679.5 \rm kJ per mole of methane, or 1679.5 \rm kJ per four moles of fluorine. How much heat is released per mole of fluorine
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