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gladu [14]
3 years ago
14

Where is lithium used in the body?

Chemistry
2 answers:
Mamont248 [21]3 years ago
8 0

Answer:

u

Explanation:

Alborosie3 years ago
8 0

Answer:

Lithium is a naturally occurring alkali metal, which living organisms ingest from dietary sources and which is also present in trace amounts in the human body. In much higher concentrations, lithium is effective as a medication for mania and mood swings including manic depressive disorders.

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Can someone explain the alkali metals unit to me please? I am so confused and I have a test about this stuff. Not not only alkal
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Alkali metals are the first column in the periodic table, alkaline earth metals are the second column. The following columns are transition metals up to the column with aluminum. These are non-metals, the second last column is halogens and the last is noble gases
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Oil and water placed in a jar will separate. Even when
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Answer:

B: Oil and water have a low solubility because they have separate chemical properties

Explanation:

I took the test

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Things that are too small (or too large) to see can be studied with models
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A 3.452 g sample containing an unknown amount of a Ce(IV) salt is dissolved in 250.0-mL of 1 M H2SO4. A 25.00 mL aliquot is anal
SOVA2 [1]

Answer:

1,812 wt%

Explanation:

The reactions for this titration are:

2Ce⁴⁺ + 3I⁻ → 2Ce³⁺ + I₃⁻

I₃⁻ + 2S₂O₃⁻ → 3I⁻ + S₄O₆²⁻

The moles in the end point of S₂O₃⁻ are:

0,01302L×0,03428M Na₂S₂O₃ = 4,463x10⁻⁴ moles of S₂O₃⁻. As 2 moles of S₂O₃⁻ react with 1 mole of I₃⁻, the moles of I₃⁻ are:

4,463x10⁻⁴ moles of S₂O₃⁻×\frac{1molI_{3}^-}{2molS_{2}O_{3}^-} = 2,2315x10⁻⁴ moles of I₃⁻

As 2 moles of Ce⁴⁺ produce 1 mole of I₃⁻, the moles of Ce⁴⁺ are:

2,2315x10⁻⁴ moles of I₃⁻×\frac{2molCe^{4+}}{1molI_{3}^-} = 4,463x10⁻⁴ moles of Ce(IV). These moles are:

4,463x10⁻⁴ moles of Ce(IV)×\frac{140,116g}{1mol} = <em>0,0625 g of Ce(IV)</em>

As the sample has a 3,452g, the weight percent is:

0,0625g of Ce(IV) / 3,452g × 100 = <em>1,812 wt%</em>

I hope it helps!

5 0
3 years ago
Which sentence in a 5-paragraph essay states the essay's main idea?
dimaraw [331]
The main idea of an essay is usually portrayed in the thesis.
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