The chemist measured the mass of the reactants to determine the number of
moles of each substance involved in the reaction.
化学家测量了反应物的质量以确定每种物质涉及的摩尔数。
A mole of carbon atoms contains exactly 6.022 x 10^23 atoms.
一摩尔碳原子确切包含6.022 x 10^23个原子。
The mole ratio between oxygen and hydrogen in water is 1:2.
水中氧与氢的摩尔比为1:2。
Determining the molar mass is crucial for calculating the amount of substance in
moles.
确定摩尔质量对于计算物质的摩尔数量至关重要。
Avogadro's number, represented as 6.022 x 10^23, is used to define the quantity of a mole.
阿伏伽德罗常数，表示为6.022 x 10^23，用于定义一摩尔的数量。
In the laboratory, scientists often use balanced equations to calculate the number of
moles of reactants needed for a reaction.
在实验室中，科学家经常使用平衡方程式来计算反应所需反应物的摩尔数。
Understanding the concept of a mole is fundamental in studying stoichiometry in chemistry.
理解摩尔的概念在化学中研究化学计量学是基础。
To prepare a solution of known concentration, one must know the number of
moles of solute dissolved in a specific volume of solvent.
为了配制已知浓度的溶液，必须知道溶质在特定体积溶剂中溶解的摩尔数。
The mole fraction of a component in a mixture is calculated by dividing the number of
moles of that component by the total number of
moles in the mixture.
混合物中某一组分的摩尔分数是通过将该组分的摩尔数除以混合物中的总摩尔数来计算的。
Molar concentration refers to the number of
moles of a solute per liter of solution.
摩尔浓度指的是每升溶液中溶质的摩尔数。
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