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Stoichiometry uses balanced chemical equations to calculate the quantities (in mass or moles) of reactants and products in chemical reactions. It is the quantitative foundation of all practical chemistry.
Trinn-for-trinn guide
- 1Write and balance the chemical equation
- 2Convert given mass to moles (mass / molar mass)
- 3Use mole ratio from equation to find moles of target
- 4Convert moles back to mass (moles × molar mass)
Løste eksempler
Inndata
CaCO₃ → CaO + CO₂ · 100g CaCO₃
Resultat
56g CaO produced
100/100=1 mol CaCO₃ → 1 mol CaO = 56g
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