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s2008m [1.1K]
3 years ago
13

Which list only includes terms that describe water?

Chemistry
1 answer:
Oxana [17]3 years ago
4 0
D! It’s a pure substance and a compound
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How many moles in Co are there in 6 billion Co atoms
nasty-shy [4]
Hello there!

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3 years ago
35.0 mL of 12.0 M HCl is added to enough water to have a final volume of 1.20 L. What is the molarity of the final solution?
creativ13 [48]
<h3>Answer:</h3>

0.35 M

<h3>Explanation:</h3>

<u>We are given;</u>

  • Initial volume as 35.0 mL or 0.035 L
  • Initial molarity as 12.0 M
  • Final volume is 1.20 L

We are required to determine the final molarity of the solution;

  • Dilution involves adding solvent to a solution to make it more dilute which reduces the concentration and increases the solvent while maintaining solute constant.
  • Using dilution formula we can determine the final molarity.

M1V1 = M2V2

  • Rearranging the formula;

M2 = M1V1 ÷ V2

     = (12.0 M × 0.035 L) ÷ 1.2 L

      = 0.35 M

Thus, the final concentration of the solution is 0.35 M

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How many molecules are in 0.500 mole of N2O5?
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Answer:

3,011.10e23.

Explanation:

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