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amm1812
3 years ago
15

What element has the electron configuration 1s2 2s2 2p6 3s2 3p1?

Chemistry
1 answer:
Westkost [7]3 years ago
3 0
1s2 2s2 2p6 3s2 3p1 is the electron configuration of Aluminum, written as Al.
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3 years ago
What is the mass, in grams, of 2.50 * 10-3 mol of aluminum sulfate?
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Answer:

The mass is 0.855 grams (option A)

Explanation:

Step 1: Data given

aluminium sulfate = Al2(SO4)3

Numer of moles Al2(SO4)3 = 2.50 * 10^-3 moles

atomic mass Al = 26.99 g/mol

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Step 2: Calculate molar mass Al2(SO4)3

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Step 3: Calculate mass Al2(SO4)3

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Mass Al2(SO4)3 = 2.5 *10^-3 moles * 342.175 g/mol

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5 0
3 years ago
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