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Lelu [443]
3 years ago
10

Unlike the cell wall, the cell membrane is…

Chemistry
1 answer:
irakobra [83]3 years ago
5 0
B: produces energy for the cell
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In the molecule of SO2 there are two pie bonds these are formed Due to
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These are formed when, after formation of the first atom, the pi-orbitals of Sulfur and Oxygen align and share another pair of electrons. This occurs between sulfur and both of the oxygen atoms, with each oxygen atom forming one pi-bond.
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What is the molarity of a solution that contains 1000.0 mg of AgNO3 that has been dissolved in 500 mL of water
Vaselesa [24]

0.012moldm⁻³

Explanation:

Given parameters:

Mass of AgNO₃  = 1000mg

Volume of water = 500mL

Unknown:

Molarity of solution  = ?

Solution:

The molarity of a solution is the number of moles of a solute dissolved in volume of solvent.

 Molarity = \frac{xnumber of moles}{Volume}

 

Number of moles of AgNO₃  = ?

   Number of moles = \frac{mass}{molar mass}

Molar mass of AgNO₃ = 108 + 14 + 3(16) = 170g/mol

   convert mass to g;

      1000mg = 1g

 Number of moles  = \frac{1}{170}  = 0.00588moles

   convert the given volume to dm³;

       1000mL  = 1dm³;

        500mL = 0.5dm³

Now solve;

  Molarity = \frac{0.00588}{0.5}  = 0.012moldm⁻³

learn more:

Molarity brainly.com/question/9324116

#learnwithBrainly

4 0
3 years ago
Pls help.............
Alina [70]
C is the correct answer
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Elaborate on the difference in natural occurrences between fission and fusion reactions. A) Neither fission nor fusion reactions
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You suspect one of the products of a single replacement is hydrogen gas. How might you experimentally confirm your prediction? C
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The best option i think is b would be my best answer
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