Systems of Equations

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question 1 of 3 Grade: Ten - G10

Q: Solve the system of equations: x + 3y - 2z = 5, 3x - y + z = 9, x - 2y - 3z = -7.

Moles of Mg = 4.8/24 = 0.2 mol. Mg²⁺ + 2e⁻ → Mg, so moles of electrons = 0.4 mol. Moles of Ti = 4.8/48 = 0.1 mol. Charge on Ti ion = 0.4/0.1 = +4.

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Moles of Mg = 4.8/24 = 0.2 mol. Mg²⁺ + 2e⁻ → Mg, so moles of electrons = 0.4 mol. Moles of Ti = 4.8/48 = 0.1 mol. Charge on Ti ion = 0.4/0.1 = +4.

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