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Joan needs a 0.06-M solution of HCl, but only has access to 2.05-M HCl, a 10-mL graduated pipet, and a 25-mL volumetric flask. How much HCl should she measure to create her desired solution?
You are given 10.00 grams of a mixture of FeO and Fe2O3. Complete reduction of this mixture yields 7.58 grams of pure Fe. Calculate the mass of FeO and Fe2O3 in the original sample.
Compute the equilibrium partial pressures of Carbon dioxide and CO gases. If equilibrium constant Kp for this reaction =1.52,
Draw the Lewis Dot structure for the following, then determine the molecular structure, hybridization, bond angle and if it is polar or non-polar. N2H2.
Arrange the following solutions in descending order according to the volume of each that will react with 1L of 1M HCl a) 1 M NaOH b) 1.5 M Ca(OH)2 c) 2 M KOH d) 0.6 M Ba(OH)2 Give the volumes of each solution needed for the reaction
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 2.00 kJ·s-1·m-2. If the sunlight consists of photons with an average wavelength of 510.0 nm, how many photons strike a 5.40..
The excess I2(aq) left over from the above reaction was titrated with 11.37 mL of 0.0105 M thiosulfate (S2O32-) as follows: I2(aq) + 2S2O32-(aq) → 2I1-(aq) + S4O62-(aq)
calculate the molality (m) of the following solutions: a)65.0 g of glucose, C6H12)6, a nonelectrolyte, added to .112 kg of water. b).320 mol of sucrose, C12H22O11, a nonelectrolyte, dissolved in 1.50 kg of water
what molar ratio of sodium acetate to acetic acid naachac should be used in preparing a buffer having a ph of 4.35? ka
a solution of ethanol c2h5oh in water is prepared by dissolving 57.0 ml of ethanol density 0.79 gcm3 in enough water
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 38.0 mL of 0.480 M Cd(NO_3)_2 solution
what volume of hydrogen at STP is required to produce 25 g of ammonia
Liquid helium at 4.2 K has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 98K and 2.0 atm pressure is sealed off. If we inject 60.0 mL of liquid helium and allow the entire system to warm to room temperature
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