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Question:
A hydrochloric acid solution is standardized using 0.502 g of sodium carbonate. Find the molarity of the acid if 30.50 mL are required for the titration.
Related to your studies in stereochemistry, suppose we perform one of these reactions on an alkene and obtain a product with an optical purity of 92.3%. The product consists of desired molecule and its enantiomer. Suppose you have 54 g of product...
the mass of a cube of iron is 324 g. iron has a density of 7.87 gcm3. what is the mass of a cube of lead that has the
a 65 g ice cube at 0degc is heated until 40 g has become water at 100degc and 25 g has become steam at 100degc. how
How much heat is needed to melt 22.4g of ice at zero degrees celcius to form liquid water at zero degress celcius?
If a solution of formic acid/formate buffer contains 0.166 M HCO2H and 2.26 M HCO2Rb. Compute the pH of the solution. Round your answer to 3 significant digits.
What are the coefficients of the reactants and products in the balanced equation above? Remember to include H2O(l) and H+(aqu) in the appropriate blanks.
How many mL of water (density = .997g/ml at 25 degree C) are needed to dissolve 10.0g of NH4NO3 in order to prepare a .100m ammonium nitrate solution?
A culture of E. coli growing in a medium containing a heavy isotope of nitrogen (15N) as the sole source of nitrogen is switched to a medium containing the normal, lighter isotope of nitrogen (14N) for 3 generations. What is the molar ratio of the..
CO2 properties: appearance, reaction with limewater, reaction with flame, behavior with water. If positive observation then write a balanced equation.
calculate the solubilities (g A/100 gS) at 10.2 degrees C and 0 degrees C and the mass of solid crystals in the breaker at 0 degrees C. and if you have the time, I'd really appreciate help with:
Calculate the energy per mL if the energy per gram for Methanol (MW = 32g) is 0.83 kcal/gram and for Ethane MW
Calculate the change in internal energy of the following system: a balloon is cooled by removing 0.657 kJ of heat. It shrinks on cooling, and the atmosphere does 384J work on the balloon.
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