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lapo4ka [179]
3 years ago
9

Which compound does H2SO4 represent when in an aqueous solution?

Chemistry
2 answers:
solong [7]3 years ago
4 0
H₂SO₄ represents Sulphuric acid or SO₄²⁻ ion when in aqueous as well as H⁺ and a little amount of HSO₄⁻ all of these ions can form in aqueous on dissolving H₂SO₄
nexus9112 [7]3 years ago
3 0

Answer:The correct answer is option b.

Explanation:

Acid a are those compound which gives hydronium ions in their aqueous solution.

HA+H_2O\rightarrow A^-+H_3O^+

H_2SO_4+H_2O\rightarrow SO_{4}^{2-}+2H^+

Sulfuric acid in its aqueous solution gives  sulfate ions and hydronium ions.

Hence, the correct answer is option b.

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3 years ago
If the CaCO3 weighed 983 g and the CaO weighed 551 g, how many grams of CO2 were formed in the reaction?
stira [4]

Answer:

The answer to your question is 432 g of CO₂

Explanation:

Data

CaCO₃  = 983 g

CaO = 551 g

CO₂ = ?

Balanced reaction

                               CaCO₃ (s)   ⇒   CaO (s)   +  CO₂ (g)

This reaction is balanced, to solve this problem just remember the Lavoisier Law of conservation of mass that states that the mass of the reactants is equal to the mass of the products.

                    Mass of reactants = Mass of products

                    Mass of CaCO₃   = Mass of CaO + Mass of CO₂

Solve for CO₂

                    Mass of CO₂  = Mass of CaCO₃ - Mass of CaO                    

                     Mass of CO₂ = 983 g - 551 g

Simplification

                     Mass of CO₂ = 432 g                        

         

5 0
3 years ago
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