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Date: 8-8-2016
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Date: 19-5-2019
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Date: 24-8-2016
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Molality is used in thermodynamic calculations where a temperature independent unit of concentration is needed. Molarity is based on the volume of solution containing the solute. Since density is a temperature dependent property a solution’s volume, and thus its molar concentration, changes with temperature. By using the solvent’s mass in place of the solution’s volume, the resulting concentration becomes independent of temperature.
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اكتشاف الخرف مبكرا بعلامتين.. تظهران قبل 11 عاما
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قسم بين الحرمين يعلن عن جاهزيته لاستقبال زائري النصف من شعبان
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