Weight of Na2SO4 Sample 0.3512 g   C. Total Vol. of Precipitant (BaCl2) used WITH 1M BaCl2   PLEASE FIND THE calculated volume of BaCl2 precipitant will be calculated using this formula:                                 NVBaCl2   = (weight of sample)(1000)(EW)                                V(ml)BaCl2 = (weight sample)(1000)N(EW).

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".