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iVinArrow [24]
3 years ago
15

Refer to your completed Table 1d of the recitation guide of ionic compound naming rules to determine whether this statement is t

rue or false. A Roman numeral in a compound name tells you how many of that ion appear in the formula. Select one: True False
Chemistry
1 answer:
alexgriva [62]3 years ago
8 0

Answer:

False

Explanation:

Roman numerals are seen in the names of several compounds. They often appear immediately after the name of central atom in the molecule.

These Roman numerals are used to depict the oxidation state of the central atom in the molecule and not to show how many of that ion appear in the formula.

For instance, in carbon IV oxide, the Roman numeral IV shows that the central atom in the compound-carbon is in the +4 oxidation state.

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If you need to extract a 50 ml aqueous solution with 50 ml of dichloromethane, what is the minimum size of a separatory funnel y
tatuchka [14]

The dichloromethane (DCM) has less density than water and also the polarity of water is much more than DCM. So the mixture of water and dichloromethane will always be a heterogeneous mixture. In the mixture dichloromethane will be always up of the water layer. The volume of the separatory funnel which contains the mixture of DCM and water must have to be more than the total volume of the liquids thus the volume of the funnel will be more than (50+50) = 100mL.

The caution have to consider during the separation are-

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How does the appearance of<br> the protist differ from that of the onion sample?
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The appearance of the protist differ from that of the onion sample due to the presence of motile structures.

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