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An aspirin tablet having the mass of about 325 mg(5 grains). Determine the total mass of aspirin tablets in a 250-tablet bottle in ounces and grams.
If the 130 mL of 1.00 M KOH and the 100mL of 0.500 M H2SO4 solutions are varied, determine the concentrations of KOH and K2SO4 in the consequential solution?
Calculate that density in pounds per cubic inch? (1 in = 2.54cm; 1lb = 454g) Determine the numbers of monograms are in 75.9kg?
Determine the number of milliliter ml) (of a .15M Nac2H3O2 must be added to50ML of a .2M HC2H3O2 (Ka 1.8x 10^-5) in order to create a buffer with a PH of 4.5?
A buffer is completed by mixing the 35ML of .125M Hc2H2CLO2 (Ka= 1.4x 10^-3) and 42 ml of .125 M Nac2H2ClO2. Determine the ph after 1.5 x 10^-3 moles of HCL are added to buffer?
If the neutralization a having the 0.4321 g sample of KHP needed the 33.mL of sodium hydroxide, calculate the molarity of sodium hydroxide solution?
At a winery, glucose (C6H12O6) in grapes under goes fermentation to create the ethanol (C2H6O) and the carbon dioxide. C6H12O6 -------> 2C2 H6O + 2CO2
Given the Paschal Series of lines occur from the electronic transitions where the energy level n=3. Analyze the frequency in Hz of light emitted by an electron falling from where n=4 to n=3.
If the lowest energy emission could be observed in the Lyman Series, than describe would it lie in the visible range? Determine its wavelength.
Determine the wavelengths of lines in the Series of Balmer from where the values of N (initial) and N(final) for hydrogen. Find out the wavelength in nanometer.
The ionization energy for boron is having 801 kJ per mole. Determine how many wavelength of light would supply by the photons with this type of energy?
Reaction among the Mg (s) and HCl (aq) put inside a calorimeter and the thermometer registers a boost in temperature for the solution within the calorimeter.
If 5.25mL having 0.1000 M NaOH solution is required to merely neutralize the surplus acid after the 20.00 mL of .1 M HCl was added to 1.00 g of an antacid, determine the number of moles of acid whic
A 6.20-L vessel contained 0.0148 mol of phosphorus dichloride, 0.0110 mol of phosphorus pentachloride, and 0.0742 mol of chlorine at 180°C in an equilibrium mixture. Determine the value of
Discuss in detail why the solvent must not be acceptable to evaporate from plate during the development n a thin layer chromatography.
In a Thin Layer Chromatography research, explain why should the spot not be engrossed in solvent in developing chamber?
Compute the half-life for the decomposition of CO2 which is the first order with respect to CO2 at 1000 degrees Kelvin where k=1.8x10^ -13
A 2.000-L flask was filled with 0.0411 molSO2 and 0.0206 molO2. At equilibrium at 869 K,the flask contained 0.0297 molSO3. determine the each substance were in the flaskat equilibrium?
What is the maximum concentration (in M) of chloride ions in asolution that contains 0.100 M Pb 2+ The Kspfor lead (II) chloride is 1.0x10-4
Please draw the correct line angle formula for EACH of the possible oxidation products.(Hint there are three possibleproducts) and desginate all the functional groups in your proposed products.
One hundred mL of 0.00075 M sodium sulfate, Na2SO4, and 50.0mL of 0.15 M barium chloride, BaCl2, solutions are mixed.
Provide a mechinism by which oxidation occurs when you react2-ethyl-1.3hexanediol with aqueous soultion (5%) of sodium hypochlorite. Please focus on the primary intermediate and the final reaction
Suppose that a 10-mL sample of a solution is to be tested for Cl- ion by addition of 1 drop (0.2mL) of 0.10 M AgNO3. What is the minimum number of grams of Cl- that must be present in order for AgCl
What volume of 0.127 M KOH is needed to reach the equivalence point in the titration of 38.7 mL of0.0410 M hypobromous acid? Write the name and the chemical formula for the salt formed
2.50 moles of NOCl were placed in a 2.50 L reaction vessel at400deg cel. After equilibrium was established, it was found that28% of the NOCl had dissaciated to the equation: