*The valency of sodium is 1, the valency of SO₄ is 2, then the chemical formula of the compound is ______.*
1️⃣ Na₂SO₄
2️⃣ Na(SO₄)₂
3️⃣ Na(SO₄)
4️⃣ 2Na₂SO₄
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Answer:
The answer of given question is 3 Na(SO4)
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Given :- The valency of sodium is 1, the valency of SO₄ is 2, then the chemical formula of the compound is ______.*
1) Na₂SO₄
2) Na(SO₄)₂
3) Na(SO₄)
4) 2Na₂SO₄
Answer :- 1) Na₂SO₄
Explanation :-
symbol :- Na SO₄
valency :- 1 2
now, Cross - multiplying symbols with their respective valency we get,
→ Na * 2 + SO₄ * 1
→ Na₂SO₄
therefore, the chemical formula of the compound is Na₂SO₄ {Sodium Sulphate.}
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