20 POINTS. Explain Dalton’s Law of Partial Pressures.
“The total pressure of a mixture of gases is equal to the sum of the individual (partial) pressures.”

Dalton's Law (also called Dalton's Law of Partial Pressures) states that the total pressure exerted by the mixture of non-reactive gases is equal to the sum of the partial pressures of individual gases. Mathematically, this can be stated as follows: Ptotal=P1+P2+… +Pn. + P n.

Explanation:

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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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