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Alja [10]
3 years ago
9

Which of the following accurately describes carbon atoms

Biology
1 answer:
GREYUIT [131]3 years ago
4 0
There is nothing there to answer
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BRAINLIEST!! HELP...
Art [367]

Answer:

The answer is False

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6 0
3 years ago
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How many grams of solute are needed to make 250 mL of a 2.055 M NaCl solution?
Veronika [31]

Answer:

30grams

Explanation:

To calculate the mass (number of grams of the solute) in the solution, we need to calculate the number of moles it contains first. We use the formula;

M = n÷ V

Where; M= Molarity or Molar concentration = 2.055M

n= number of moles= ?

V= Volume = 250mL

Volume in L is 250/1000 = 0.250L

n= M × V

n= 2.055 × 0.250

n= 0.51375moles

The mass is calculated using :

Mole (n) = mass (m) / molar mass (MM)

Molar mass of NaCl = 23 + 35.5

= 58.5g/mol

Mass = molar mass × mole

Mass = 58.5 × 0.51375

Mass = 30.0543

Therefore, the mass is 30grams

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3 years ago
Prokaryotes that obtain their energy from chemical compounds are called _____.
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Explanation:

obtain energy from chemotrops. "chemo" means chemical or unnatural therapy..

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Which of the following properties are chemical properties?
Alex73 [517]

Answer:

C

Explanation:

They are 2 chemical properties creating a chemical reaction.

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In a staple atom how does the number of protons compare to the number of electrons? HELP PLEASE !!!
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In an atom, the number of protons is almost always equal to the number of electrons
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