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Svetlanka [38]
3 years ago
7

Two types of electro magnetic radiation that you can see with a telescope

Chemistry
1 answer:
agasfer [191]3 years ago
6 0
You tellme i have the same anwser
    botch # bit

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20 ml of a solution of sucrose contains 850 mg of sucrose. What is the weight/volume percentage concentration of this solution i
MissTica
<h3>Answer:  4.25 g/ml %</h3>

Explanation:

weight/volume percentage concentration = (mass in g  ÷  volume) × 100

                                                                      =  (0.850 g ÷ 20 ml) × 100

                                                                      = 4.25 g/ml %

∴ the weight/volume percentage concentration of the sucrose solution is 4.25 g/ml %.

7 0
3 years ago
How many atoms are in 0.00014 mol of Na?​
Ludmilka [50]

Answer: Use Avogadro's number, NA = 6.02 × 1023 atoms/mol.

Explanation:

4 0
3 years ago
Please help ASAP. No one could not help me with this question.
Tanya [424]

Answer:

sorry

Explanation:

I don't know the answer this is really confusing but I am really sorry you have to do this.

3 0
3 years ago
Help please thank you
Vikki [24]

Answer:

B I think I am pretty sure

8 0
3 years ago
What is the relationship among solutions solutes and solvents
jenyasd209 [6]

Answer:

Solvents are substances in which solutes dissolves while solutes are substances that dissolve in solvents and solutions result from mixing solvents and solutes.

Explanation:

  • A solvent is a substance such as water that dissolves a solute.
  • A solute is a substance that dissolves in a solvent. For example, when sodium chloride dissolves in water, sodium chloride is the solute and water is the solvent.
  • A solution, on the other hand, results from combining a solute and a solvent. Therefore, a mixture of water and sodium chloride forms the solution.
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3 years ago
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