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Which of the following is correct for pure liquid :A. Molality is independent of density of liquid.B. Molarity depends on density of liquid.C. Molarity = density `xx` molality (where density is in gm/lit)D. All are correct |
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Answer» Correct Answer - D (1) `m = ("moles of solute")/("mass of solvent in kg")` Independent of density as no volume is present (2) `M = ("moles of solute")/("volume of solution in Lt")` For pure liquid solvent = solution so, m depends on density (3) `M = (n_("solute"))/((m_("sovent"))/(d)) = (n_("solute"))/(m_("solvent")) xx d = m xx d` `"Molarity" = "Molality" xx d` |
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