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A laboratory stockroom has a stock solution of 90%(m/v) sulfuric acid,H2SO4(aq). If a technician dilutes 50ml of the stock solution to a final volume of 300ml, what will be the new mass/volume percent concentration?(HINT: the dilution formula can be used for concentration expressed in any units, provided that the units remain the same.)
you are doing research and the reaction you need to run is limited by the amount of alcohol you have.
What type of reaction mechanism would you expect between the following compounds (e.g. SN2; some may have more than 1 type)
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
a 20.00 ml aliquot of 0.120 m cu solution is titrated with a 0.100 m solution of ce4 according to the following
What is the de Broglie wavelength of a flea midway through its jump? Assume the mass of the flea is4.50×10-4 g and t is moving at 1.00 m/s.
2.4 g of a hydrocarbon fuel is burned in a calorimeter that contains 262 grams of water initially at 25.00 C. After the combustion, the temperature is 26.55 C.
All of the following are strong electrolytes in aqueous solution except _________. a. H2SO4. b. NaCl. c. NH4C2H3O2. d. H2CO3. e. KOH.
The Ka for acetic acid is 1.8x10-5. If 340. ml of 3.45 M acetic acid is added to 823 ml of water, what will the pH of the final solution be
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..
HBr is an acid. Please write a chemical equation showing how it is an acid according to the Arrhenius definition. The response has to be in the form of a balanced chemical equation with all phases included.
Define when this solution was separated from pure water by a semi permeable membrane, the resulting osmotic pressure supported a column of water 157mm in height. Explain what is the molecular mass of chymotrypsinogen
After a dose, the concentration of medication in the blood declines due to metabolic processes. The half-life of a medication is the time required after an initial dosage for the concentration to be reduced by one-half. A common model for this pro..
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