5. How many moles of potassium nitrate. KNO3 are present in a sample with a mass of 85.2 g​

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.

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tony (lordcaos066)

level 4 to level 2 : ))

i think is conclusions.i think so