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bezimeni [28]
3 years ago
14

Can you explain and read this equation 2Mg + 02 —— 2MgO

Chemistry
2 answers:
anzhelika [568]3 years ago
3 0
Magnesium + oxygen makes Magnesium Oxide.

The big numbers are for balancing the equation.
Fantom [35]3 years ago
3 0

Answer:

Here's what I get  

Explanation:

There are several ways to read your equation.

2Mg + O₂ ⟶ 2MgO

  1. Magnesium reacts with oxygen to form magnesium oxide
  2. Two atoms of magnesium react with one molecule of oxygen to form one formula unit of magnesium oxide.
  3. Two moles of magnesium react with one mole of oxygen to form one mole of magnesium oxide.
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A compound is found to have 55.7% hafnium+and+44.3%+chlorine.+what+is+the+empirical+formula?
uranmaximum [27]

The empirical formula of a compound found to have 55.7% hafnium and 44.3% chlorine is HfCl4.

<h3>How to calculate empirical formula?</h3>

The empirical formula of a compound is a notation indicating the ratios of the various elements present in a compound, without regard to the actual numbers.

The empirical formula of the given compound can be calculated as follows:

  • Hafnium = 55.7% = 55.7g
  • Chlorine = 44.3% = 44.3g

First, we convert mass values to moles by dividing by the molar mass of each element

  • Hafnium = 55.7g ÷ 178.49g/mol = 0.312mol
  • Chlorine = 44.3g ÷ 35.5g/mol = 1.25mol

Next, we divide each mole value by the smallest

  • Hafnium = 0.312 ÷ 0.312 = 1
  • Chlorine = 1.25 ÷ 0.312 = 4

Therefore, the empirical formula of a compound found to have 55.7% hafnium and 44.3% chlorine is HfCl4.

Learn more about empirical formula at: brainly.com/question/14044066

#SPJ1

7 0
1 year ago
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