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Chemistry - Chemical Equations and Stoichiometry (Form III)

English chemistry form3 equations balancing stoichiometry mole avogadro
Muhtasari / Summary: Balancing equations, mole concept, and stoichiometry.
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A chemical equation shows reactants (left) → products (right) using symbols and formulae. Must be balanced to obey Conservation of Mass (Lavoisier). Balancing steps: count atoms on each side; add coefficients (not subscripts) to balance. Mole concept: 1 mole = 6.02×10²³ particles (Avogadro's number). Molar mass = sum of atomic masses (g/mol). Moles = mass ÷ molar mass. Stoichiometry uses mole ratios from balanced equations to calculate reactant/product amounts.

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