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Sagot :
1. BaCl2+K2SO4⇒BaSO4+KCl
2. Na+FeCl3⇒Fe+NaCl
Further explanation
Given
Word equation
Required
Skeleton equation
Solution
A chemical reaction can be expressed in terms of:
- words equation
- the skeleton equation
- balanced equation
The skeleton equation is still in unbalanced form
So only chemical formulas of reactants and products and the relative amounts of the reactants and products are not included
For example :
• word equation
Ethane + Oxygen ⇒ Carbon dioxide + Water
• skeleton equation
C₂H₆ + O₂ ⇒ CO₂ + H₂O
• balanced equation
2C₂H₆ + 7O₂ ⇒ 4CO₂ + 6H₂O
1.
word equation
barium chloride ____ + potassium sulfate ____ → barium sulfate _____ + potassium chloride _____
skeleton equation
BaCl2+K2SO4⇒BaSO4+KCl
2.
word equation
sodium+iron(III) chloride→iron+sodium chloride
skeleton equation
Na+FeCl3⇒Fe+NaCl
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