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H₂SO₄ + 2 NaOH → Na₂SO₄ + 2 H₂O
Dengan menggunakan perbandingan koefisien reaksi, maka dapat diketahui untuk setiap 1 mol H₂SO₄ yang dinetralkan, diperlukan 2 mol NaOH.
mol NaOH = 2 · mol H₂SO₄
= (2)(50)(0,5)
= 50 mmol
Volume NaOH = mol / M
= 50 / 1
= 50 mL
SOLVED :)
[NaOH] = 1 M
[H₂SO₄] = 0,5 M
V H₂SO₄ = 50 mL
ditanya :
V NaOH = ...?
Reaksi Penetralan
H₂SO₄ + 2 NaOH ----> Na₂SO₄+ 2 H₂O
n = M × V
n H₂SO₄ = (koef. H₂SO₄ / koef. NaOH) × n NaOH
n H₂SO₄ = ¹/₂ n NaOH
[H₂SO₄] × V H₂SO₄ = ¹/₂ × [NaOH] × V NaOH
0,5 M × 50 mL = ¹/₂ × 1 M × V NaOH
V NaOH = 2 × 0,5 × 50 = 50 mL