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We have a solution and 26.38 g sodium chloride in this solution has a total volume of 1,780 mL & density = 0.8495 g/mL. then calculate (a)molality? (b)molarity of NaCl? (c) What is the mass/mass %?
which requires the least amount of energy out of Br, Cl, sodium and Ag to remove the most loosely held e- from a gaseous atom in a ground state
Given two liters of .407 M KCl how many milliliters of this solution you should use to prepare 250.0 ml of .175M KCl
The mass spectrum of a compound that contains two bromine atoms gives isotope peaks with relative intensities of 1:2:1 for the M, M+2 and M+4 peaks, respectively. Explain why.
The geometric angle BETWEEN the two bonds that connect an alpha-carbon to its nearest neighbors on the polypeptide backbone is approximately 109 degrees. Explain.
Most electrical energy in the United States is generated in large-scale power cycles through conversion of thermal energy to mechanical energy, which is then converted to electrical energy.
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing the weak acid H2CO3 (aq)
Arrange the descriptions in order of increasing number of microstates in the resulting system.
Given that the density of solid sodium is 0.968 g/cm^3, estimate the atomic (metallic) radius of a Na atom. Assess the value obtained, indicating why the result is only an estimate and whether the actual radius should be larger or smaller than the..
When 28.6 kg of Fe2O3 react with 17.2 kg of CO and 6.3 kg of Fe are recovered, what is the percent yield for the reaction?
what is the chemical calculation to figure out the following: calculate the number of moles of each ion present in the following solution: 10.2 mL of 0.451 M AlCl3 solution.
what is the concentration of dissolved o2 in blood or water at this partial pressure and a normal body temperature of
How many moles of water, H2O, are present in 75.0g H20? A. 4.17 moles B. 4.41 moles C. 75.0 moles D. 1.35 x 10^3 moles C 7.50 moles
How many moles of gas are present when you collect 35.83 mL of the gas over water at 25.3?C and 0.97 atm?
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