To calculate the molecular mass of the substance based on the given data, we can follow these steps:Step 1: Identify the given values - Mass of the solute (substance) \( W2 = 13.6 \, \text{g} \) - Mass of the solvent (water) \(
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Describe the circumstances in which the following processes could be used to separate the components of a mixture: dissolving of an impure substance in a solvent Give two examples of solvent. What are the two properties of substances that enable them to be separated by chroma...
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Describe the physical processes that occur during a simple distillation. Explain why slow cooling tends to give "better" crystals in a recrystallization than the crystals obtained upon rapid cooling. Describe the process by which a polar solvent dissolves an ionic substance. Is salt ...
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48亿。 The substance that gives up hydrogen is said to be oxidized and the one, which accepts the hydrogen, is said to be reduced. 【答案】释放氢的物质被称为氧化了的物质,而吸收氢的物质被称为还原了的物质。 Too clearly, it is a topic we shall do no justice to in this place. (T. ...
Method for dissolving griseofulvin for the purpose of preparing a solution of this substance, which is chemically stable and possesses biological activity, for local applications.The invention relates to a method for dissolving griseofulvin and to the formulation of chemically stable solutions possessing ...