Calculate the value of ka for lactic acid
Lactic acid, HC3H5O3, is a monoprotic acid that dissociates in aqueous solution. If a solution containing 0.50 M lactic acid is 1.66 percent dissociated to ionic form, calculate the value of Ka for lactic acid.
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Ammonium nitrate decomposes to N2O and water at temperatures between 250°C and 300°C. Write a balanced chemical reaction describing the decomposition of ammonium nitrate, and calculate the standard hate of reaction using the appropriate en
Information regarding the note payable: The note payable will be due in full in five years. Interest is payable annually. The interest rate on the note is 5%.
The sales goal for your store this week last year was $20,128. Your store has averaged 1775 transactions per week for the last four weeks. What is the percent change in your sales goal from this week last year to this week this year?
Find two other sets of three terms that are in subcontrary proportion.
Jan. 1 Retired a piece of machinery that was purchased on January 1, 2002. The machine cost $62,000 and had a useful life of 10 years with no salvage value.
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At work one day, Erica Franz received 35 packages. Speedy Delivery delivered twice as many as Ralph's Express, while Ralph's Express delivered five more than SendQuick Package service. How many packages did each service deliver to Erica?
An alum is a "double salt" consisting of a monovalent cation, a trivalent cation, and two sulfate ions with twelve water of hydration (waters of crystallization) as part of the crystallin structure.
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