The molecular weight of an unknown gas was measured by an effusion experiment. It was found that it took 64 seconds for the gas to effuse, whereas nitrogen required 48 seconds. The molecular mass of the gas is ?
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What is the molarity, to the hundredths place, of 5.0 g HPO3 in 300. mL of solution?
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What could a source of error be during a titration lab that is not a humans fault?
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How do the colors seen by the naked eye compare to the emission spectra emitted by the flame
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An analysis of an oxide of nitrogen with a molecular weight of92.02 amu gave 69.57% oxygen and 30.43 % nitrogen. What is the empirical formula of the compound?
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Diagonal relationship and anomalous behaviour of the each element of the periodic table
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22.8 g of an unknown molecular solute is dissolved in 4.28 moles of 1,2-ethanediol (C2H6O2), causing the freezing point of 1,2-ethanediol to decrease by 1.08 °C. Calculate the molar mass of the solute. For 1,2-ethanediol ...
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What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.
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Hydrazine, N2H4, is dibasic and has Kb1 = 3.35x10-7 and Kb2 = 1.42x10-16. Calculate the concentration of OH- ions in a 29.91 M aqueous solution of hydrazine. Express your answer in mM.
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What is the molarity of a solution made by dissolving 20.0 g of CrCl2 in 0.150 L of solution?
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