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SSSSS [86.1K]
3 years ago
11

What does the empirical formula of a compound describe?

Chemistry
2 answers:
AveGali [126]3 years ago
6 0

<span>It describes the true ratio of atoms in a formula unit. An empirical formula is a formula that gives the proportions of the elements present in a certain compound however it does not give the actual numbers or the arrangement of the atoms.</span>

Nadusha1986 [10]3 years ago
3 0
<h3><u>Answer and explanation</u>;</h3>
  • Empirical formulas, are the simplest types of chemical formulas that indicate the ratio of each element in the molecule.
  • <em><u>The empirical formula shows or describes the simplest whole number ratio of all the atoms present in a molecule.</u></em>
  • <em><u>For example the empirical formula of glucose is CH2O</u></em>,while the molecular formula is C6H12O6.
  • Empirical formula is converted to molecular formula by multiplying it with a whole number.
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Answer:

Your correct answer is A. 1,2,1,2

Explanation:

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7 0
3 years ago
A 0. 1220 g vitamin c tablet was dissolved in acid. This required 11. 50 ml of 0. 01740 m kio3 to reach the endpoint. Calculate
kodGreya [7K]

86.66 %  by weight of ascorbic acid in the tablet, when 0. 1220 g vitamin c tablet was dissolved in acid. This required 11. 50 ml of 0. 01740 m KIO_3 to reach the endpoint.

<h3>What is a balanced chemical equation?</h3>

A balanced chemical reaction is an equation that has equal numbers of each type of atom on both sides of the arrow.

3C_6H_80_6 +3I_2 +KIO_3 +5KI +6H^+ → 3C_6H_60_6 +6I^- +3I_2+6K^+ +3H_2O

So, the balanced chemical equation for the reaction will be:

3C_6H_8O_6 +KIO_3 → 3C_6H_6O_6 +KI + 3H_2O

That means, 3 mol of of ascorbic acid reacts with 1 mol of KIO_3

Moles of KIO_3 available is 0.0174 X 0.0115 =0.0002001 mol

Moles of ascorbic acid to be yielded should be 3 X 0.0002001 =0.0006003

So, percent mass of ascorbic acid in the tablet will be:

(0.1057 / 0.1220) X 100 %

=86.66 %

Hence, the third option is the correct answer.

Learn more about balanced chemical equations here:

brainly.com/question/26750249

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8 0
2 years ago
What is the interval used on the y-axis of this graph?
bezimeni [28]

Answer:

5

Explanation:

the numbers go up by 5

7 0
3 years ago
When the particles of two objects have the same average kinetic energy, what do we know about those objects?
Dmitriy789 [7]
That they both will be the same average kinetic energy
3 0
3 years ago
Which element comes from the greek word zinke?
Novay_Z [31]

Answer:

Zinc

The element was probably named by the alchemist Paracelsus after the German word Zinke (prong, tooth).

Explanation:

8 0
3 years ago
Read 2 more answers
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