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10 cards from this deck
Substance for solution with accurately known concentration
Number of significant figures in a measurement
Larger masses reduce percentage error, improving accuracy
Water of hydration varies with humidity, altering composition
Won't react with O2O_2O2, CO2CO_2CO2, or atmospheric moisture
Anhydrous sodium carbonate (Na2CO3Na_2CO_3Na2CO3)
Sodium hydrogen carbonate (NaHCO3NaHCO_3NaHCO3)
Hygroscopic and reacts with CO2CO_2CO2 from air
Contains water of hydration that varies with humidity
To transfer all weighed substance to volumetric flask
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