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Slav-nsk [51]
3 years ago
14

Find mass of 4.5 moles of co2​

Chemistry
1 answer:
Kobotan [32]3 years ago
5 0

Answer:

198g

Explanation:

Molar Mass of CO2 = 12 + (2x16) = 12 + 32 = 44g/mol

Number of mole of CO2 = 4.5moles

Mass of CO2 =?

Mass = number of mole x molar Mass

Mass of CO2 = 4.5 x 44 = 198g

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Lostsunrise [7]
It would 3 because if you read it tells you the answer
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2 years ago
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How many moles of argon are contained in 58 L of At at STP?
Harman [31]

Answer:

n = 2.58 mol

Explanation:

Given data:

Number of moles of argon = ?

Volume occupy = 58 L

Temperature = 273.15 K

Pressure = 1 atm

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

1 atm × 58 L = n × 0.0821 atm.L/ mol.K × 273.15 K

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8 0
3 years ago
Difference between hygroscopic and deliquescent substance with of each​
iVinArrow [24]

Answer:

The water soluble substance which absorb moisture from the air and then dissolve on the absorbed moisture to change into liquid taste are called deliquescent substances whereas the substances which absorb moisture from air but do not change their state are called hygroscopic substances.

7 0
3 years ago
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Which of the following claims may be made based on your observations? (You will recieve negative points for wrong answers.)
Ostrovityanka [42]

Answer:

D, E and F

Explanation:

About tetrachloro cobalt complexes, the following facts have been observed  

  • Color of the tetrachloro cobalt complexes is blue.
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About hexa aqua cobalt complexes, the following facts have been observed  

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Based on above, the correct statements are:

The correct is chloro cobalt complex is blue and aqua cobalt  

complex is pink.  

The chloro complex is favored by heating.

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The correct options are D, E and F.

8 0
3 years ago
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mrs_skeptik [129]

Answer:

The answer to this question is D.

Explanation: We know that only plants have a cell wall so that is helpful and we know that plants are green because of their chloroplast. So the answer is D, cell wall, and chloroplast.

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