diff --git a/content/酢酸亜鉛.md b/content/酢酸亜鉛.md
index bba03022..28412a27 100644
--- a/content/酢酸亜鉛.md
+++ b/content/酢酸亜鉛.md
@@ -26,9 +26,9 @@ tags:
 
 亜鉛0.5gとすると 0.5/65.38 = 0.00764759865mol
 
-塩酸の量は 0.5x2.87 x(0.5/65.38) = 0.175588865 L
+塩酸の量は 2* 2.87 x(0.5/65.38) = 0.04389721627 L
 
-176ml
+43.8972162741mL
 
 重量比で1.18g/ml