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Using the Ksp values given in the problem above determine the concentration of: a. Mn+2 in a 0.2 M solution of Na2S (a soluble salt) b. Fe+2 in a solution that is 0.2M in NaOH (a soluble salt) c. Mg+2 in a solution that is 0.2 M in Na3AsO4 (a soluble salt)
Balancing equations can help anyone to understand the law of conservation of energy. What is that law and how can it relate to balancing equations?
Explain What is meant by industrial nitrogen fixation. What is produced during this process
What are the Literature Wavelength values (nm) of the Helium spectrum ?
In a separate experiment, the molar mass of the compound was found to be 70.13 g/mol. Determine the empirical formula and the molecular formula of the hydrocarb
given that 10.0 grams of metal at 99.0oc are placed in 50.0 grams of water at 24.0 oc in a perfectly insulated
Problem- If an aqueous solution of sodium chloride is calculated to freeze at -0.50oC if the particles were completely associated, what would the freezing point be assuming full dissociation
the heat of combustion of ethanol c2h5ohl is -1367 kjmol. a batch of sauvignon blanc wine contains 10.6 ethanol by
a perfect gas undergoes isothermal compression which reduces its volume by 2.20 l. the final pressure and volume of the
What is the pH of an aqueous solution with a hydrogen ion concentration of [H ] = 9.4 × 10-7 M?
1ml of 0.1M copper (II) nitrate Cu(NO3)2, is added to 1 ml of 0.1M barium chloride, BaCl2. What is the balanced net ionic equation
calculate the mL of MnO4 added to reach the endpoint. (b) calculate moles of MnO4 added to reach the endpoint. (c) calculate the number of moles of H2O2 in sample.
How many grams of sodium lactate must be added to a 1.00 L solution of 0.400 M lactic acid to make a buffer with a pH of 3.70
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