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elena-s [515]
2 years ago
5

Blank + BaCl2 = BaSO4 + 2NaCl

Chemistry
1 answer:
crimeas [40]2 years ago
5 0

The blank is filled by Na₂SO₄, and the complete equation for the double displacement reaction is:

Na₂SO₄ + BaCl₂ = BaSO₄ + 2 NaCl

<h3>What is a double displacement reaction?</h3>

It is a reaction in which both reactants exchange anions and cations.

Let's consider the following incomplete double displacement reaction.

_____ + BaCl₂ = BaSO₄ + 2 NaCl

If we compare the left and right sides, we can see that the missing ions in the left side are Na⁺ and SO₄²⁻. Thus, the missing compound is Na₂SO₄. The complete equation is:

Na₂SO₄ + BaCl₂ = BaSO₄ + 2 NaCl

Learn more about double displacement here: brainly.com/question/23918356

#SPJ1

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Uestion 1 how many grams of disodium ethylenediaminetetraacetate (molar mass = 372.24 g/mol) required to prepare 500. ml of a 0.
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Important data:
*0.01 M solution = 0.01 moles <span>disodium ethylenediaminetetraacetate/ L solution
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Is 4H2O an organic molecule ?
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AgC2H3O2 + K2CrO4 = Ag2CrO4 + KC2H3O2 How many moles of silver chromate, Ag2CrO4 are produced in this reaction
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Taking into account the reaction stoichiometry, 1 mole of silver chromate Ag₂CrO₄ are produced in this reaction.

<h3>Reaction stoichiometry</h3>

In first place, the balanced reaction is:

2 AgC₂H₃O₂ + K₂CrO₄  → Ag₂CrO₄ + 2 KC₂H₃O₂

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

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  • K₂CrO₄: 1 mole
  • Ag₂CrO₄: 1 mole
  • KC₂H₃O₂: 2 moles

<h3>Moles of Ag₂CrO₄ formed</h3>

By reaction stoichiometry 2 moles of AgC₂H₃O₂ form 1 mole of Ag₂CrO₄.

In other words, according to this balanced chemical equation, 1 mole of silver chromate Ag₂CrO₄ are produced in this reaction.

Learn more about the reaction stoichiometry:

<u>brainly.com/question/24741074</u>

<u>brainly.com/question/24653699</u>

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