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Question: A sample 50 mL solution of hydrochloric acid (HCl) is titrated with 0.11 M NaOH. The volume of base required to reach the equivalence point is measured to be 33.772 mL. What was the original concentration of the acid?
What is the Cro4^2- concentration in a solution that is 0.0375 M in chromic acid and 0.150 M HCl
Calculate the concentrations of each of the ions in 0.12 M (NH4)2HPO4. a) [NH4+], M b) [HPO42-], M
How many moles of oxygen will be produced if 27.6 grams of Al are produced?
When CuCN is used in the Sandmeyer reaction, the preparation is generally carried out in a neutral medium. Can you offer an explanation of why this is done?
A sample of 54.7 g of HCl gas is dissolved to make 1L of solution. What is the molarity of the solution?
A system obtains the amount of heat equal to q > 0 from the surroundings at constant volume. Will the internal energy of the system increase, decrease, or remain constant? Will the temperature of the system increase or decrease
the effect of epinephrine binding to B-receptors is well known. epinephrine also binds to alpha-receptors. which of the following would NOT result following the binding of epinephrine to alpha-receptors in the liver
what is the simplest formula for chalcocite if a sample of this ore contains 8.274 g copper and 2.088 g
Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
Trichloroethane, C2H3Cl3, is the active ingredient in aerosols that claim to stain-proof men's ties. Trichloroethane has a vapor pressure of 100.0 mm Hg at 20.0 C and boils at 74.1 C.
what conditions does the rate equation reduce to second-order kinetics in NO and first kinetics in O2
Sulfuric acid is a component of acid rain formed when gaseous sulfur dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous sulfuric acid.
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