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finlep [7]
3 years ago
9

What is the formula unit for a compound made from Pb4+ and oxygen?

Chemistry
2 answers:
Volgvan3 years ago
8 0

Maybe Lead and Oxygen?

seropon [69]3 years ago
3 0

Answer: The formula unit of compound made up from Pb^{2+} and oxygen is PbO_2.

Explanation:

Pb^{4+}+O^{2-}\rightarrow PbO_2

When lead ion with '4+' charge binds with an oxygen anion with '2-'it forms lead(IV) oxide. The formula unit of the lead (IV) oxide according to criss cross method is written as PbO_2.

Refer to the image attached.

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Answer:

Empirical formula is CH₄

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Explanation:

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Empirical formula = ?

Solution:

Number of gram atoms of C = 37.5 g /12g/mol = 3.125

Number of gram atoms of H = 12.5 g / 1.008 g/mol= 12.4

Atomic ratio:

C                 :            H            

3.125/3.125   :       12.4 /3.125

    1                :            4          

C : H : = 1 : 4

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Molecular formula = n (empirical formula)

n = molar mass of compound / empirical formula mass

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n = 2

Molecular formula = n (empirical formula)

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