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In the first part of this lab, you prepared a NaBr solution that is approximately 0.2 M. Considering that molarity is defined as moles of NaBr per liter of solution, give possible errors that are present in the procedures that will cause your actual molarity to be different from that calculated. (Note: Because this lab involved qualitative analysis, the actual molarity of your solution did not need to be known accurately.)
Explain the empirical formula of a compound is CH. At 200 degrees Celsius, 0.145 g of this compound occupies 97.2mL at a pressure of 0.74atm, Explain what is the molecular formula of the compound
Titrated with 0.10 M HBr. Determine the pH of the solution after the addition of 400.0 mL HBr.
Explain briefly how you could prepare the buffer solution in (a) if you had available the solid salt of the only one member of the conjugate pair and solution of a strong acid and a strong base.
lithium iodide has a lattice energy of -720kjmol and a heat of hydration of -793kjmol. determine how much heat is
the formation of so3 from so2 and o2 is an intermediate step in themanufacture of sulfuric acid and it is also
Consider the reaction, 2 Al(OH)3 + 3 H2SO4 ->Al2(SO4)3 + 6 H2O. How many grams of Al2(SO4)3 are generated when 152 g of H2SO4 reacts?
How large would the lattice energy need to be for the formation of NaCL2 to be exothermic. b. If we were to estimate the lattice energy of NaCl2 to be roughly equal to that of MgCl2
tartaric acid is a substance that is often present in wines and preticipates from soultion as the wine ages. the
Calculate the equilibrium constant of the following reaction at 25 C from the standard potential data:
This reaction is a catalytic hydrogenation that only partially reduces an alkyne. Consider whether the hydrogenation
Problem- Work the following problems for titration of acetic acid (K a=1.8x10-5) showing all work use more paper if needed. 1) Calculate the pH of a 0.150 M solution of acetic acid. This is a simple pH of a weak acid problem. Get the [H+
1) How many photons having a wavelength of 3.00 mm would have to be absorbed by 1.55 g of water to raise its temperature by 1.00 °C
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