Chemistry A-Level
Scaling fractional ratios
What Scaling fractional ratios means in Chemistry A-Level, as defined for OCR.
Definition of Scaling fractional ratios
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Reference: OCR
Multiplying all ratio values by the same small integer when a fractional ratio appears, so the empirical formula stays whole-numbered.
Topics that use Scaling fractional ratios
- Amount of substance (OCR A-Level)
Related terms
- amount of substance
- atom economy
- Atom economy and by-products
- Concentration in mol dm⁻³
- Converting between cm³ and dm³
- Converting between moles and number of particles
- Empirical formula
- Empirical formula mass and molecular formula multiplier
Using Scaling fractional ratios in the exam
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