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What is the silver ion concentration in a solution prepared by mixing 461 mL of 0.366 M silver nitrate with 425 mL of 0.545 M sodium chromate? The Ksp of silver chromate is 1.2 × 10-12
the work function for chromium metal is 4.37 eV. What is the wavelength of radiation that must be supplied to metallic chromium to release an electron with a kinetic energy of 4.25x10^-18?
If 6.46 L of gaseous ethanol reacts with 16.1 L O2, what is the maximum volume of gaseous carbon dioxde produced
Calculate the minimum pH difference between the stroma and lumen, so that three protons passing through an ATP synthase would provide enough energy for the generation of one ATP molecule
How many milliliters of a 0.28 M HCl solution are needed to react completely with 8.4 g of zinc to form zinc(II) chloride? Answer in units of mL.
You are given 5.00 mL of an H2SO4 solution of unknown concentration. You divide the 5.00-mL sample into five 1.00-mL samples and titrate each separately with 0.1000 M NaOH.
a solution of ammonia and water contains 4.00×1025 water molecules and 8.20×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Calculate the concentrations of all species in a 0.530 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
A container with a volume of 101 L contains how many atoms of argon gas at STP?
Butane (C4H10) reacts with oxygen in the air to from carbon dioxide and water. how many moles of carbon dioxide can be formed from 1.25 mol of butane and excess oxygen?
A helium-filled balloon at sea level has a volume of 2.5 L at 0.989 atm and 33°C. If it is released and rises to an elevation at which the pressure is 0.900 atm and the temperature is 29°C, what will be the new volume of the balloon?
What is the molar composition of the dense gas and it's chemical formula? What is the element name and identity and atomic mass of the grey substance
How much hexanol was in the sample represented by this chromatogram? ( chromatogram shows retention time for butanol to be 10 min and retention time for pentanol to be 20min.
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