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3 years ago

Which hydrocarbon is saturated? (1) propene (3) butene(2) ethyne (4) heptane

1 answer:

4 0

The answer is (4) heptane. Saturated hydrocarbon means that there is no double bonds between the carbon atoms. For propene and butene, there is double bond. For ethyne, there is triple bond.

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Calculate the ph of a solution formed by mixing 200.0 ml of 0.30 m hclo with 300.0 ml of 0.20 m kclo. the ka for hclo is 2.9 × 1

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Answer:

The pH of the solution will be 7.53.

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Dissociation constant of KClO= $K_a=2.8\times 10^{-8}$

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3 years ago

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The correct option is B. To get the number of atom for each compound, each element in the compound will be counted as an atom. For instance, for Fe[ClO4]2, there are 1 atom of Fe, 2 atoms of Cl, and 8 atoms of O, making a total of 11 atoms [1 + 2 + 8= 11]. The other options have less than 11 atoms.

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