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how to find number of moles
mass/ molar mass
percentage yield
actual yield/ theoretical maximum yield x 100%
percentage purity
mass of pure substance present in sample/ total mass of impure sample x 100%
1dm3 =
1000cm3
acid + base (alkali)
salt + water
acid + metal carbonate
salt + carbon dioxide + water
acid + metal
salt + hydrogen gas
base + ammonium salt
salt + water + ammonia gas
is hydroxide a base?
yes