Solución Patrón Primario de Carbonato de Sodio (Na2CO3). Valoración Ácido Base.
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Secondary Standard Solution of Hydrochloric Acid (HCl). Acid Base Titration.
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This is the real most expensive item
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Acid Base Titration
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THE STRONGEST ACID IN THE WORLD Fluoroantimonic acid
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Hear what Trudeau said about his phone call with Trump
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I made a Copper Ice Press that Turns Ice into SPHERES - Lets try DRY ICE!
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China's slaughterbots show WW3 would kill us all.
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