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The taste of sour milk is lactic acid. What is the molecular formula for lactic acid if the percent composition is 40.00% C, 6.71% H, 53.29% O, and the approximate molar mass is 90 g/mol?
When aqueous solutions of lead( II) ion are treated with potassium chromate solution, a bright yellow precipitate of lead( II) chromate, PbCrO4, forms
to determine the partial pressure and the total pressure using daltons law of partial pressures.a mixture of gases
Before investigating the scene, the technician must dilute the luminol solution to a concentration of 5.00×10^-2 M. The diluted solution is then placed in a spray bottle for application on the desired surfaces.
write a complete and balanced molecular equation and identify the precipitate that forms when aqueous solutions NaOH and Cu(NO3)2 are mixed and identify all phases.
Draw the structures of all monofluoro derivatives of methylcyclopentane, C6H11F, which have the fluorine on a tertiary carbon.
Question- A solution 25.0 mL NaCH3COO and 10.0 mL 1.0 M CH3COOH has a pH of 5.18. Find the Ka of acetic acid and calculate the pH of the buffer after 2 mL of 1.0 M NaOH are added to the solution.
Calculate the grams of solute needed to prepare each of the following solution. 5.5L of a 0.60M KCI solution.
Choose one of the following regulations or statutes that impact health care. The Occupational Exposure to Blood borne Pathogens Standard
Forecast what volume (mL) of 0.3000 M NaOH is needed to titrate the 25.00 mL of 0.3000 M HCl to the equivalence point.
suppose the absorbance of an iodine sample changes from 0.6 to 0.7when the iodine concentration in it is increased from
The emf of a cell made of a Zn anode and hydrogen cathode immersed in 0.5M ZnCl2 is +0.590V. What is the pH of the solution
acid precipitation is the term generally used to describe rain or snow that is more acidic than normal. one cause of
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