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Norma-Jean [14]
3 years ago
13

Hydrogen peroxide is commonly used to clean cuts and wounds. Its chemical formula is

Chemistry
2 answers:
Hatshy [7]3 years ago
8 0

Answer:

two atom of hydrogen,two atom of oxygen

Gekata [30.6K]3 years ago
6 0
Two atoms of hydrogen and two atoms of oxygen
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Calculate the amount of water required to prepare 500g of 2.5% solution of sugar.
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(i) We start by calculating the mass of sugar in the solution:

mass of sugar = concentration × solution mass

mass of sugar = 2.5/100 × 500 = 12.5 g  

Then now we can calculate the amount of water:

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(ii) We use the following reasoning:

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3 years ago
An element's atomic number is 112. How many electrons would an atom of this element have?
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