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10 questions from this quiz
Proportion of total mass from each element
mass in 1 molmolar mass×100\frac{\text{mass in 1 mol}}{\text{molar mass}} \times 100molar massmass in 1 mol×100
Simplest whole-number ratio of atoms
Ionic compounds
Obtain mass of each element (assume 100g)
n(H)=2×n(H2O)n(\text{H}) = 2 \times n(\text{H}_2\text{O})n(H)=2×n(H2O)
Molecular is a whole-number multiple
C6H6\text{C}_6\text{H}_6C6H6
Sodium hydroxide solution
To convert to the simplest ratio
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