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What is the ratio of acetate to acetic acid in a 0.1 M buffer at pH 4.75?
What happens when 5 mL 0.1 M HCl is added to 50 mL of this buffer?
What happens when 5 mL 0.1 M HCl is added to 50 mL water?
If 18.5 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia
Calculate the pH of a buffer solution made by adding .83 g of sodium acetate trihydrate [(NaC2H3O2)-3 H20] to 50 ml of .100 M acetic acid
How many moles of NaOH must be added to 1.0 L of 1.2 M HC2H3O2 to produce a solution buffered at each pH. a) pH=3.87 b) pH=5.24
After the resulting reaction was complete, back titration required 10.40 mL of 0.1212 M NaOH. Assuming that the tablet contained only calcium carbonate and an inert binder calculate the mass of calcium carbonate and mass percent of calcium carbona..
An important characteristic in the fischer esterification mechanism is the formation of a tetrahedral intermediate which is the result of. the alcohol attacking the 2-phenylacetic acid with the subsequent loss of a proton.
How many grams of aluminum metal must react with aqueous sodium hydroxide to produce 7.50 L of hydrogen gas at 12.5 degrees Celsius and 740 torr if the other product is aqueous Na3AlO3. 2 Al (s) + 6 NaOH (aq) ----> 3 H2(g) + 2 Na3AlO3(aq)
How is the mass in amu of one atom of an element related to the mass in grams of one mole of the element?
If 0.20mL of methyl benzoate and 0.45mL of concentrated (18M)sulfuric acid PLUS 0.15mL of concentrated (18M)sulfuric acid and 0.15mL concentrated (16M)nitric acid were added together and the end product was methyl-3-nitrobenzoate what is the theor..
Suppose that you first titrated 25.0 mL of 0.500 M HCL with 0.500M NaOH and then 25.0 mL of 0.500 M of a weark acid HA with 0.500M NaOH. How would the titration curves compare at 10 or 15 ml of NaOH beyond the equivalence points? Explain.
When you breathe the following reaction will take place: C6H12O6 (s) + 6O2 (g) --> 6CO2 (g) + 6H2O(g), how many moles of glucose are needed to produce 100.0 g of water?
The overall reaction for the halogenation of a hydrocarbon (RH) using Br as the halogen is RH + Br2 > RBr + HBr. The following mechanism has been proposed for this process
The solubility product constant (Ksp) for the dissolution of Cu(OH)2 as represented by the chemical equation is 2.6 x 10-19. Cu(OH)2 (s) Cu2+ (aq) + 2 OH- (aq) Calculate the molarity (M) of Cu2+ in a saturated solution of Cu(OH)2. Molar Mass (g/mo..
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