andreanaapollon6337
30.09.2019 •
Chemistry
Examine the reactants of the incomplete double-displacement reaction.
*urgent answer fast 100 points + brainliest* 2nacl + h2so4 → _[blank]_.
what is the product of the double-displacement reaction?
2na + cl + h2 + so4
2naclh2so4
na2so4cl + h2
na2so4 + 2hcl
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Ответ:
The answer to your question is: Na₂SO₄ + 2HCl
Explanation:
We know that it is a double-displacement reaction. Then, the cation of one reactant will attach to the anion of the other reaction and vice versa.
2Na + Cl + H2 + SO4 This is not the right option because it is showing the cations and anions but not the products of the reaction.
2NaClH2SO4 This compound does not exist, this option is wrong.
Na2SO4Cl + H2 The products shown here are not the result of a double displacement reaction.
Na2SO4 + 2HCl This is the right option because the cation of the first reactant will attach to the anion of the second reactant and vice versa. These products are the result of a double displacement reaction.
Ответ: