Berdasarkan persamaan reaksi tersebut,zat sisanya adalah

<h2>zat sisanya adalah asam oksalat (H₂C₂O₄).</h2><p>&nbsp;</p><p><strong><u>Penjelasan</u></strong></p><p>mol H₂C₂O₄ = 0,05 M × 100 mL = 5 mmol</p><p>mol CaCl₂ = 0,10 × 100 mL = 1 mmol</p><p>&nbsp; &nbsp; &nbsp; &nbsp;H₂C₂O₄ + CaCl₂ → CaC₂O₄ + 2HCl</p><p>m: &nbsp; &nbsp; &nbsp; 5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;- &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;- &nbsp;</p><p>r: &nbsp; &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1</p><p>s: &nbsp; &nbsp; &nbsp; &nbsp; 4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; - &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1</p>