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Lelu [443]
3 years ago
8

Izttdkgxkgxkgditdkgxktdjydky

Chemistry
1 answer:
Greeley [361]3 years ago
7 0

Answer:

ewtyfgeh wheugcw eciyewgbweiye

Explanation:

Beacuse its bewdcbhidbcwejnc

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I believe that it is B chemicals containing carbon
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What is the molarity if 2.00 liters containing 49.0 grams of sodium carbonate [Na2CO3)?
yKpoI14uk [10]

Answer: The molarity of solution is 0.231 M

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

Molarity=\frac{n}{V_s}

where,

n = moles of solute

V_s = volume of solution in L

Molar mass of Na_2CO_3 = 2\times 22.99+1\times 12.01+3\times 16.00=105.99

moles of Na_2CO_3 = \frac{\text {given mass}}{\text {Molar mass}}=\frac{49.0g}{105.99g/mol}=0.462mol

Now put all the given values in the formula of molality, we get

Molarity=\frac{0.462mol}{2.00L}

Molarity=0.231M

Therefore, the molarity of solution is 0.231 M

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The movement of food energy from one organism to another is called a...
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6. Compare and Contrast How are the properties of acids and bases similar? How are they different?
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\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} - }

  • Acids and bases both react with water and a lot of acids and bases are soluble in nature.
  • Both acids and bases are electrolytes which means that they’re good conductors of electricity.
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2a Define Radioactivity?​
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Answer:

The emmision of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei

or

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