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⚗️ 理论产量计算器Theoretical Yield Calculator
由限量反应物的质量和化学式、反应方程式中的系数和产物化学式，按化学计量关系计算产物的理论产量（物质的量和质量）；填入实际产量还能求百分产率。Work out the theoretical yield of a product, in moles and grams, from the limiting reactant's mass and formula, the equation coefficients and the product formula; add the actual yield for the percent yield.
使用说明与常见问题How-to & FAQ
「理论产量计算器」是什么？What is the Theoretical Yield Calculator tool?
由限量反应物的质量和化学式、反应方程式中的系数和产物化学式，按化学计量关系计算产物的理论产量（物质的量和质量）；填入实际产量还能求百分产率。Work out the theoretical yield of a product, in moles and grams, from the limiting reactant's mass and formula, the equation coefficients and the product formula; add the actual yield for the percent yield.
如何使用「理论产量计算器」？How do I use the Theoretical Yield Calculator tool?
在「理论产量计算器」中，填写「限量反应物化学式」、「限量反应物质量 g」、「反应物系数」、「产物化学式」、「产物系数」等参数，结果会随输入实时计算并显示在下方。In the Theoretical Yield Calculator: Fill in "Limiting reactant formula", "Limiting reactant mass g", "Reactant coefficient", "Product formula", "Product coefficient"; results are recalculated instantly as you type.
理论产量怎么算？How is theoretical yield calculated?
1）反应物物质的量 = 质量 ÷ 摩尔质量；2）产物物质的量 = 反应物物质的量 × 产物系数 ÷ 反应物系数；3）理论产量 = 产物物质的量 × 产物摩尔质量。默认例子是葡萄糖发酵 C₆H₁₂O₆ → 2 C₂H₅OH + 2 CO₂。1) Reactant moles = mass ÷ molar mass; 2) product moles = reactant moles × product coefficient ÷ reactant coefficient; 3) theoretical yield = product moles × product molar mass. The default is glucose fermentation, C₆H₁₂O₆ → 2 C₂H₅OH + 2 CO₂.
有多种反应物时怎么办？What if there are several reactants?
对每种反应物各算一次理论产量，结果最小的那种就是限量反应物，它的结果才是真正的理论产量。工具不会自动配平方程式，请输入已配平方程式中的系数。Run the calculation once per reactant: the one giving the smallest yield is the limiting reactant, and its result is the theoretical yield. The tool does not balance equations, so use coefficients from a balanced equation.
计算结果可以用于作业或工程吗？Can I use the results for homework or engineering?
「理论产量计算器」使用教科书标准公式（公式写在说明和常见问题中），适合学习和估算核对；涉及安全的工程设计请以规范和实测为准。The Theoretical Yield Calculator uses standard textbook formulas (given in the description and FAQ), which is good for learning and checking estimates; for safety-critical engineering follow codes and measured values.
「理论产量计算器」免费吗？需要注册吗？Is the Theoretical Yield Calculator free? Do I need an account?
「理论产量计算器」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Theoretical Yield Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.