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Kruka [31]
3 years ago
5

What is the mass of 6.12 moles of arsenic (As)?

Chemistry
2 answers:
azamat3 years ago
8 0

Answer: D. 459g As

Explanation:

                    1 mole of Arsenic = 74.9216 grams

Therefore  6.12 moles of arsenic = x grams

<em> Cross multiply to get the value of x</em>

 x = 74.9216 x 6.12

 x = 458.8g ≈ 459g

               x = 459g As

Alecsey [184]3 years ago
5 0
The answer is D. 459 g As
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Mass is lost due to the conversion of mass to energy

Explanation:

The question is not complete, the complete question is given as:

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total mass equals 236.053 u              total mass equals 235.868 u

Which statement explains the energy term in this reaction? (1) Mass is gained due to the conversion of mass to energy. (2) Mass is gained due to the conversion of energy to mass. (3) Mass is lost due to the conversion of mass to energy. (4) Mass is lost due to the conversion of energy to mass.

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4 0
3 years ago
What is the percent, by mass, of water in MgSO4.2H20
iris [78.8K]

Answer:51.1%

Explanation:

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