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Benadryl is on sell this week for 25% off of the normal selling price at $10.00 per unit. If the pharmacy purchased Benadryl at $5.00 per unit, what is the gross profit percentage?
Problem- A 25.7mL volume prepared Na2H2Y solution titrates 25.0 mL standard .0107 MCa 2+ solution to the eriochrome black T endpoint. What is the molar concentration of the Na2H2Y solution
Determine the molar concentration of the original hydrofluoric acid solution, and find the pH of the original hydrofluoric acid solution.
The average osmotic pressure of seawater at 25 degree Celsius is approximately 30 atm. Assuming that seawater is a solution composed of NaCl and water with a salinity of 3.5%, calculate the molar mass of NaCl
The NH3 is a weak base (Kb = 1.8 × 10-5) and so the salt NH4Cl acts as a weak acid. Explain what is the pH of a solution that is 0.037 M in NH4Cl
A 4.00 g sample of the metal nitrate M(NO3)2, in which M is an unknown metal was dissolved in water and treated with excess aqueous sodium sulfate. The sulfate salt that is formed in the reaction weighed 3.318 g. Determine the identity of the meta..
A solution is made by dissolving 92.4 g of a non-electrolyte in 800. g chloroform (Kb=3.63 degrees C-kg/mol and Tb=61.26 degrees celsius). The boiling point of this solution is 62.91 degrees celsius. What is the molar mass of the non-electrolyte
With respect to the condenser utilized in an apparatus for simple distillation why the lower rather than the upper be used for the water inlet?
If 500 cc (cubic centimeters) of 2.0 M KOH are diluted with water to a volume of 1.000 cc, what is the molarity of the new solution
describe the classification of single and multi-nutrient npk fertilizers identifying the major carriers within the
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl . ClxOy in presence of H2 (g) → HCl + H2O all the oxygen
how many atoms of aluminum can be produced by the decomposition of 31.5 g of aluminum oxide
A 5.00ml ampule of a 0.110 M solution of napthalene in hexane is excited with a flash of light. The napthalene emits 17.2 J of energy at an average wavelength of 349nm.
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