Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
molar ratio of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "molar ratio of" is correct and usable in written English.
You could use it when discussing a ratio between two substances expressed in terms of moles. For example, "The molar ratio of sodium chloride to calcium chloride in the solution was 1:2."
✓ Grammatically correct
Science
Science & Research
Academia
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
The TiO2 and Li2CO3 were mixed at a Li Ti molar ratio of 4.2 5.
Science & Research
Therefore, we prepared the RuPt-Mo2C/C (molar ratio of Ru/Pt = 2.5) alloy catalyst by co-impregnation methods.
Science & Research
CHDA (54 mg, 0.473 mmol) was dissolved in 5 ml of chloroform (molar ratio of CHDA cage 1=7.5 1).
Science & Research
The molar ratio of Ca2+ to PO43− was 5 3 in accord with the stoichiometry of hydroxyapatite (Ca5(PO4)3OH).
Science & Research
The H2/CO molar ratio of 2.0±0.05 was obtained.
Science
Fluorescent PA scaffold was prepared by coassembling TAMRA functionalized PA3 (Supplementary Figure 5) with PA1 and PA2 at a molar ratio of 0.01/0.1/0.89.
Science & Research
To produce a hepatosteatosis cell model, HepG2 cells were treated with a mixture of palmitic acid (PA) and oleic acid (OA) (molar ratio of 1 2).
Science & Research
1,4-butanediol diacrylate was combined with 4-amino-1-butanol in a 1.1 1 molar ratio of diacrylate to amine monomer.
Science & Research
Here, we report an approach that improves the stability of non-flammable phosphate electrolytes by adjusting the molar ratio of Li salt to solvent.
Science & Research
Non-stoichiometric silicon oxides (SiOx, where 0 < x < 2) have also attracted attention due the higher molar ratio of silicon to oxygen20,21.
Science & Research
FUS significantly stimulated ligation efficiency (Fig. 3b, c) with ~fivefold increase at a 1 2 molar ratio of XRCC1/LigIII to FUS.
Science & Research
Expert writing Tips
Best practice
When reporting the "molar ratio of" reactants, ensure you clearly state which compound is listed first, as the order affects the interpretation of the ratio (e.g., "molar ratio of A to B is 2:1").
Common error
Avoid directly equating stoichiometric coefficients from a balanced equation with the actual "molar ratio of" reactants used. The actual ratio may differ depending on reaction conditions or desired product yield.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "molar ratio of" functions as a prepositional phrase that modifies a noun, indicating the proportional relationship between two chemical substances expressed in moles. As Ludwig AI clarifies, it is grammatically correct and widely used.
Frequent in
Science
60%
Science & Research
25%
Academia
15%
Less common in
News & Media
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "molar ratio of" is a cornerstone of scientific communication, used to precisely define the proportional relationship between chemical substances. Ludwig AI confirms its grammatical correctness and widespread usage, predominantly in scientific and academic contexts. The analysis reveals that it functions as a modifier, providing essential quantitative information. While alternatives like "mole ratio of" or "molar proportion of" exist, understanding the specific nuance of each term is important. Correctly interpreting and applying the "molar ratio of" is crucial in numerous scientific fields, ensuring accurate and reproducible results.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
molar proportion of
Replaces "ratio" with "proportion", suggesting a slightly less precise measurement.
mole ratio of
Swaps "molar" with "mole", which is redundant but maintains the core meaning.
relative molar amount of
Specifies that the ratio refers to the amount, adding a layer of precision.
molar fraction of
Indicates the number of moles of a component divided by the total number of moles of all components in a mixture.
stoichiometric ratio of
Highlights the theoretical, exact ratio required for a complete reaction.
composition ratio of
Refers to the ratio of different components within a substance or mixture, adding the aspect of mixture.
relative quantity in moles of
This alternative uses a more descriptive approach, clarifying that it's about quantities expressed in moles.
proportion of moles of
This phrases shifts from a direct ratio to a general proportion, focusing on the molar amounts involved.
chemical proportion of
Emphasizes the chemical nature of the proportion, suitable when the context is explicitly about chemical substances.
concentration ratio of
This alternative shifts the focus to concentration, implying a solution or mixture.
FAQs
How is the "molar ratio of" calculated?
The "molar ratio of" two substances is calculated by dividing the number of moles of one substance by the number of moles of the other. This ratio is derived from experimental data or theoretical calculations based on balanced chemical equations.
What is the significance of the "molar ratio of" in chemical reactions?
The "molar ratio of" reactants in a chemical reaction indicates the proportions in which the substances combine. This is crucial for predicting product yields and ensuring complete reactions, preventing waste and maximizing efficiency.
How does "mole ratio of" differ from "molar ratio of"?
The terms "molar ratio of" and "mole ratio of" are often used interchangeably. "Molar ratio of" is generally considered the more technically correct term since it explicitly refers to ratios calculated using moles.
In what contexts is understanding the "molar ratio of" especially important?
Understanding the "molar ratio of" is particularly crucial in fields like stoichiometry, pharmaceutical formulation, and materials science, where precise control over chemical composition and reactions is essential for achieving desired outcomes.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested