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andreev551 [17]
3 years ago
12

Give the chemical formula and systematic name for aurous sulfide, which is named using the older nomenclature. spelling counts!

Chemistry
1 answer:
Bingel [31]3 years ago
5 0
Aurous is a cation of gold. Gold takes the name "aurum" (Au) with atomic number of 79. In its purest form, the element is bright, slightly yellow, soft, ductile, and malleable. The charge of aurous is +1. Sulfide, on the other hand, has a charge of -2. 

Hence, the chemical formula of the compound is Au₂S and its systematic name is gold (I) sulfide. 
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An alloy of bronze is manufactured by melting 51.2 g of copper with 6.84 g of tin. What is the percent copper in the bronze?
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Answer:

Percentage of copper = 88%

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Given data:

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Percentage of copper = ?

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Formula:

Percentage of copper = mass of copper / total mass × 100

Now we will determine the total mass:

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