Answer:
Chemical formulas tell you how many atoms of each element are in a compound, and <u>empirical formulas</u> tell you the simplest or most reduced ratio of elements in a compound. If a compound's chemical formula cannot be reduced anymore, then the empirical formula is the same as the chemical formula.
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Answer:
- rows and columns
- period
- atomic orbitals
4.similar properties
5.electrons are very reactive
C.<span>The effort force is most often smaller than the force needed without the machine.</span>
Answer:

Explanation:
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In this case, the reaction between sulfuric acid and hydroxide is:

We can notice a 1:2 molar ratio between the acid and the base respectively, therefore, at the equivalence point we have:

And in terms of volumes and concentrations:

So we compute the molarity of sulfuric acid as shown below:

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