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swat32
3 years ago
10

Does anyone know how to solve this

Chemistry
1 answer:
alina1380 [7]3 years ago
4 0

Answer:

Beta

Explanation:

Beta has signal 0 above and -1 under

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Abbreviated electron configuration for tellurium
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The ground state electron configuration of ground state gaseous neutral tellurium is [Kr]. 4d10.

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Which material is a mixture?<br> 1. water<br> 2. air <br> 3. methane<br> 4. magnesium
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Read 2 more answers
How many grams of NaCl are in 3.5 mol of NaCl? Also, how many moles of NaCl are in 150 g of NaCl?​
alexandr402 [8]

Answer:

204.5505 grams

2.5666 moles

Explanation:

For the first question, multiply 3.5 (# of moles) by 58.443 (g/mol for NaCl).

58.443 * 3.5

<em>I'll distribute 3.5 into 58.443.</em>

(3.5 * 50) + (3.5 * 8) + (3.5 * 0.4) + (3.5 * 0.04) + (3.5 * 0.003)

175 + 28 + 1.4 + 0.14 + 0.0105

203 + 1.4 + 0.14 + 0.0105

204.4 + 0.14 + 0.0105

204.54 + 0.0105

204.5505 grams

There are 204.5505 grams in 3.5 moles of NaCl.

For the second question, divide 150 (# of grams) by 58.443 (g/mol for NaCl). I'll convert both into fractions.

150/1 * 1000/58443

150000/58443

2.56660336 moles

2.5666 moles (rounded to 4 places to keep consistency with the first answer) are in 150 grams of NaCl.

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Water a combination of the elements hydrogen and oxygen, is an example of an
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Explanation:

Common Examples of the Law of Definite Proportions

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