molar solution

简明释义

摩尔混液

英英释义

例句

1.In the lab, we used a molar solution of hydrochloric acid for titration experiments.

在实验室，我们使用了盐酸的摩尔溶液进行滴定实验。

2.When calculating concentrations, it's important to know the volume of the molar solution being used.

在计算浓度时，了解所用的摩尔溶液的体积是很重要的。

3.A molar solution of sodium chloride is often used in biological research.

在生物研究中，通常使用氯化钠的摩尔溶液。

4.To prepare a 1 M molar solution, you need to dissolve one mole of the solute in enough water to make one liter of solution.

要准备1 M的摩尔溶液，你需要将一摩尔溶质溶解在足够的水中，直到总量达到一升。

5.The chemist prepared a molar solution of potassium permanganate for the oxidation reaction.

化学家为氧化反应准备了一种高锰酸钾的摩尔溶液。

作文

In the field of chemistry, understanding solutions is fundamental to both theoretical and practical applications. One important type of solution is a molar solution, which is defined as a solution that contains one mole of solute per liter of solution. This concept is crucial for various chemical reactions and experiments, as it allows chemists to accurately measure concentrations and predict outcomes based on stoichiometry. The term 'mole' is a unit that measures the amount of substance, and it is essential for converting between mass and number of particles in a given sample.To illustrate the importance of molar solutions, consider a common laboratory experiment where sodium chloride (NaCl) is dissolved in water. If a chemist wants to prepare a 1 M (one molar) solution of NaCl, they would need to dissolve 58.44 grams of NaCl in enough water to make a total volume of one liter. This precise measurement ensures that the concentration of the solution is exactly what is needed for the experiment. If the concentration were too high or too low, the results could be skewed, leading to incorrect conclusions.Moreover, the use of molar solutions extends beyond simple laboratory practices. In pharmacology, for example, medications are often prepared as molar solutions to ensure accurate dosing. A doctor might prescribe a specific volume of a drug that is formulated as a molar solution, ensuring that patients receive the correct amount of active ingredient. This precision is vital for the efficacy and safety of treatments.Another area where molar solutions are significant is in environmental science. Researchers often need to analyze the concentration of pollutants in water samples. By preparing molar solutions of known concentrations, scientists can conduct titrations to determine the levels of contaminants, helping to assess environmental health and safety.Furthermore, the concept of molar solutions is not limited to aqueous solutions. It applies to gases and solids as well. For instance, in gas-phase reactions, understanding the molarity of gaseous reactants can help predict how they will interact under different conditions. Similarly, solid-state reactions can involve molar solutions in terms of the concentration of reactants mixed together.In summary, the molar solution is a critical concept in chemistry that serves multiple purposes across various fields. Its ability to provide a standardized measurement of concentration makes it invaluable for laboratory experiments, medical formulations, and environmental analyses. By mastering the concept of molar solutions, students and professionals can ensure accuracy and reliability in their work, paving the way for advancements in scientific research and application. Understanding how to create and utilize molar solutions is an essential skill for anyone pursuing a career in science, as it lays the groundwork for more complex chemical principles and practices.

在化学领域，理解溶液是理论和实践应用的基础。其中一种重要的溶液类型是摩尔溶液，它被定义为每升溶液中含有一摩尔溶质的溶液。这个概念对于各种化学反应和实验至关重要，因为它使化学家能够准确测量浓度，并根据化学计量预测结果。‘摩尔’是一个测量物质数量的单位，对于在给定样品中将质量与粒子数量之间进行转换至关重要。为了说明摩尔溶液的重要性，考虑一个常见的实验室实验，其中氯化钠（NaCl）溶解在水中。如果化学家想要准备一个1 M（1摩尔）的NaCl溶液，他们需要将58.44克的NaCl溶解在足够的水中，使总容量达到一升。这种精确的测量确保了溶液的浓度正是实验所需的。如果浓度过高或过低，结果可能会偏差，从而导致错误的结论。此外，摩尔溶液的使用不仅限于简单的实验室实践。在药理学中，例如，药物通常作为摩尔溶液制备，以确保准确的剂量。医生可能会开处方一种特定体积的药物，该药物以摩尔溶液的形式配制，确保患者获得正确数量的有效成分。这种精确性对治疗的有效性和安全性至关重要。摩尔溶液在环境科学中也具有重要意义。研究人员经常需要分析水样中的污染物浓度。通过准备已知浓度的摩尔溶液，科学家可以进行滴定以确定污染物的水平，从而帮助评估环境健康和安全。此外，摩尔溶液的概念不限于水溶液。它同样适用于气体和固体。例如，在气相反应中，了解气态反应物的摩尔浓度可以帮助预测它们在不同条件下的相互作用。同样，固态反应也可以涉及到混合在一起的摩尔溶液的浓度。总之，摩尔溶液是化学中一个关键的概念，在多个领域中发挥着多重作用。它提供标准化的浓度测量，使其在实验室实验、药物配方和环境分析中不可或缺。通过掌握摩尔溶液的概念，学生和专业人员可以确保他们工作的准确性和可靠性，为科学研究和应用的进步铺平道路。理解如何创建和利用摩尔溶液是任何追求科学职业的人必备的技能，因为它为更复杂的化学原理和实践奠定了基础。