What volume of water is needed to dissolve calcium carbonate
Calcium carbonate, or limestone, is relatively insoluble in water. At 25?C, only 5.8 mg will dissolve in 1.0 liter of water. What volume of water is needed to dissolve 5.0 g of calcium carbonate?
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The absorbance maxima observed for the following cobalt complexes ([Co(NH3)6]3+ ?max = 470 nm, [Co(NH3)5Cl]2+ ?max = 560nm, [Co(NH3)4Cl2]+ ?max = 630 nm, and [Co(NH3)3Cl3] ?max = 680 nm) can be identified with transitions involving d-electrons. a)
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How many grams of ethylene glycol, C2H4(OH)2, are needed per kilogram of water to protect radiator fluid against freezing down to -10 degree C?
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