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Which is the balanced equation for V2O5 + CaS → CaO + V2S5?

V2O5 + CaS → CaO + V2S5
5V2O5 + 5CaS → 10CaO + 5V2S5
3V2O5 + 3CaS → 3CaO + 3V2S5
V2O5 + 5CaS → 5CaO + V2S5

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Answered by GPT-5 mini AI
Balanced equation: V2O5 + 5 CaS → 5 CaO + V2S5

Check: V:2 both sides; O:5 both sides; Ca:5 both sides; S:5 both sides. So the correct choice is the fourth option.