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Case 32 unit-check. A student checks the units in a calculation. Which decision keeps the method valid? Focus on the relative formula mass compound its chemical in Relative formula mass, not on a neighbouring Unit 4.3 idea.
- A.Case 32 unit-check: Keep the required unit linked to the quantity being calculated for the relative formula mass compound its chemical
- B.Case 32 unit-check: Ignore the unit because the number is more important (Relative formula mass)
- C.Case 32 unit-check: Swap dm3 and cm3 without converting the value (the relative formula mass compound its chemical)
- D.Case 32 unit-check: Use grams, moles, and percentage signs interchangeably (Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations)
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