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arlik [135]
3 years ago
5

The hydrogen peroxide solution used on cuts and scrapes is 3%. Stronger solutions can cause chemical burns. If you mistakenly bu

y 6% peroxide, how can you make it safe?
Chemistry
1 answer:
irga5000 [103]3 years ago
5 0

Answer:

Dilute the mixture with distilled water

Explanation:

3% solution: mix 1 part of 35% food grade hydrogen peroxide with 11 parts distilled water. Ratio is 1 to 11.

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19 protons, 19 electrons, and 3 neutrons

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the atomic number is 19 so the protons are the same, 19, and the electrons are the same as the proton, because protons are positive and electrons are negative so they have to balance out and the neutrons ➗ mass number by the atomic number.

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a chemist dissolves 0.564 moles of manganese (IV) oxide (MnO2) in water, and adds enough water to make 0.510 L of solution. Calc
ladessa [460]

Answer:

The molarity of the solution is 1.1 \frac{moles}{liter}

Explanation:

Molarity is a measure of the concentration of that substance that is defined as the number of moles of solute divided by the volume of the solution.

The molarity of a solution is calculated by dividing the moles of the solute by the volume of the solution:

molarity=\frac{number of moles of solute}{volume}

Molarity is expressed in units \frac{moles}{liter}

In this case

  • number of moles of solute= 0.564 moles
  • volume= 0.510 L

Replacing:

molarity=\frac{0.564 moles}{0.510 L}

Solving:

molarity= 1.1 \frac{moles}{liter}

<u><em>The molarity of the solution is 1.1 </em></u>\frac{moles}{liter}<u><em></em></u>

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All but one of the following is an important component of soil.
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