From e93239a1ab44b581b92ec4a85e32bf3d970541e7 Mon Sep 17 00:00:00 2001
From: eggy <eggyrules@gmail.com>
Date: Sun, 9 Jan 2022 18:21:07 -0500
Subject: [PATCH] chem: Add pKa relation to pKw

---
 docs/sch4uz.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/sch4uz.md b/docs/sch4uz.md
index 0c9e7a0..bf3abff 100644
--- a/docs/sch4uz.md
+++ b/docs/sch4uz.md
@@ -735,6 +735,7 @@ $$K_b = \ce{\frac{[HX+][OH-]}{[X]}}$$
 
 At all temperatures:
 $$K_a \times K_b = K_w$$
+$$pK_a + pK_b = pK_w$$
 
 ### Acid strength