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inna [77]
3 years ago
10

Could someone please help!

Chemistry
1 answer:
bezimeni [28]3 years ago
8 0
Im pretty sure that the current will increase so the answer is A . Hope that helps
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What characteristic of an element’s atoms always determines the element’s identity?
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Which statement describes the location of metalloids on the periodic table? The metalloids are located below metals and above no
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3 years ago
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When copper is heated with an excess of sulfur, copper(I) sulfide is formed. In a given experiment, 0.0970 moles of copper was h
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Answer:

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Explanation:

Step 1: Data given

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Mass of copper(I) sulfide = 1.76 grams

Step 2: The balanced equation

2Cu + S ⇒ Cu2S

Step 3:  Calculate moles of Cu2S

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For 0.0970 moles Cu we'll hace 0.0970 / 2 = 0.0485 moles

Step 4: Calculate mass of Cu2S

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Mass Cu2S = 0.0485 moles * 159.16 g/mol

Mass Cu2S = 7.72 grams

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Percent yield = (actual yield/ theoretical mass) * 100%

Percent yield = (1.76 grams / 7.72 grams)*100%

Percent yield = 22.8 %

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3 years ago
Helppp please I will give a brain thing plleaseee
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How many atoms are in 14 moles of I
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