Un tanque contiene agua cuyo PH es 3. Sobre este tanque cae una cantidad de hidróxido de sodio que hace variar el PH. De acuerdo con lo anterior, el PH de la solución resultante: * A. Aumenta, porque aumenta (H+)
B. Aumenta, porque disminuye (H+)
C. Disminuye, porque aumenta (H+)
D. Disminuye, porque disminuye (H+)

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)

може ли да зареждате повече информация, моля