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15 cards from this deck
Sodium carbonate (Na2CO3Na_2CO_3Na2CO3)
Primary standard
Methyl orange
Yellow to peach/pink
0.1 M
25 cm³
Allows easy swirling and thorough mixing
Prevents drops falling in and altering volume
Removes water that could dilute the acid
Get approximate idea of endpoint
Within 0.1 cm³ of each other
Highly corrosive
Flammable (contains ethanol)
Not pure enough; concentration must be determined
2 moles HCl per 1 mole Na2CO3Na_2CO_3Na2CO3
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