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Arte-miy333 [17]
3 years ago
7

What is the chemical name of the compound represented by the formula Ni2O3? Use the list of polyatomic ions and the periodic tab

le to help you answer.
Chemistry
2 answers:
bearhunter [10]3 years ago
5 0
The chemical name is nickel (III) oxide .
LuckyWell [14K]3 years ago
4 0

Answer : The chemical name of the compound Ni_2O_3 is, nickel(III)oxide.

Explanation :

The rules for naming the chemical name of the compound :

  • First element in the formula is named first and keep its element name.
  • Gets a prefix if there is a subscript on it.
  • Written the oxidation state by the us of roman numeral.
  • Second element is named second.
  • Use the root of the element name plus suffix (-ide).
  • Always use a prefix on the second element.

In the given compound, the nickel is the cation and first element in the formula and the oxidation state of nickel is, (+3). The second element is oxygen which is named as oxide.

Thus, the chemical name of the compound Ni_2O_3 is, nickel(III)oxide.

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Explanation:

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A solution has a pH of 2.5. Answer the following questions.
olga_2 [115]
PH + pOH = 14  ⇒  pOH = 14 - pH
pOH = 14 - 2.5
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[H⁺] = 10^(-pH) = 10^(-2.5)
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