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Determine the mass 3.01x10^21 moles of Ag.
what is the volume occupied by 3.36x10^21 atoms of sulfur.
what is the mass occupied by 3.36x10^21 atoms of sulfur.
let's pretend a certain sterling silver ring has a mass of 31.25g. silver has 93%. determine the mass of silver found in the ring.
explain why water is not plotted on the delta t versus molecular mass graph in the analysis .(hint:what makes water different from the other 3 solvents?
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
Could you explain why carbonate, specifically sodium carbonate (Na2CO3) would be particularly good at neutralizing these acids and their conjugate bases?
how many liters of H2 would be formed at 628 mm Hg and 14 degrees celcius if 22.5g of zinc was allowed to react
A proton in a linear accelerator has a de Broglie wavelength of 158 pm, What is the speed of the proton?
N2(g) + 3H2 (g) ---- 2NH3(g) a one liter vessel contain 1.60 mole NH3.800 mole N2 and 1.20 mole of H2. What is the equilibrium constant.
C2H4 + 3O2 = 2CO2 + 2H2O If you start with 54 grams of ethylene (C2H4) how many grams of carbon dioxide will be produced?
Treatment of A with zinc amalgam and HCl affords an optically active, dextrorotatory hydrocarbon C. Identify compounds A, B, and C, including stereochemical configurations. Be sure to explicitly draw H and both wedge/dash bonds at any configuratio..
How many mL of a 0.8 M NaOH(aq) solution are required to make 500 mL of a solution with pH=12.50?
Molecular Formula of a Compound from Percent Composition and Molar Mass, What is the molecular formula of a compund that contains 42.87%carbon, 3.598% hydrogen, 25.00% nitrogen
What mass of sucrose should be combined with 453 of water to make a solution with an osmotic pressure of 8.00 at 320 ? (Assume the density of the solution to be equal to the density of the solvent.)
Calculate the partition coefficient of caffeine between water and each of the other three solvents. Which of these three organic solvents would be the best choice for extracting caffeine from an aqueous solution?
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