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Chimica Ambientale Chimica Chimica Ambientale Ambientale

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Carbonio<br />

inorganico in<br />

ACQUA<br />

Il Carbonio inorganico è<br />

presente in acqua in una<br />

determinata forma<br />

(CO 2, HCO 3 - , CO3 2- ) in<br />

dipendenza del valore del pH<br />

(diagramma).<br />

Acqua pura in equilibrio a<br />

25°C con atmosfera non<br />

inquinata [CO 2] =1.146.10 -5 M<br />

pH = 5.65<br />

Piogge acide fino a pH= 2-3

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