From 493277966cdbc897c774766070caa20b0d0505ea Mon Sep 17 00:00:00 2001
From: johnruina <codyyhuang@gmail.com>
Date: Wed, 29 Jul 2026 20:48:35 -0400
Subject: [PATCH] chem 7/29

---
 .obsidian/workspace.json                               | 10 +++++-----
 ... of definite proportions and percent composition.md |  5 +++++
 2 files changed, 10 insertions(+), 5 deletions(-)
 create mode 100644 chemistry/law of definite proportions and percent composition.md

diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 9f6c2d8..ab21d7c 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -176,7 +176,7 @@
             }
           }
         ],
-        "currentTab": 9
+        "currentTab": 11
       },
       {
         "id": "25da4f0a48a8e7cd",
@@ -355,15 +355,17 @@
       "obsidian-excalidraw-plugin:New drawing": false
     }
   },
-  "active": "713a2ea9096a5d46",
+  "active": "e3468b9f6df1ac48",
   "lastOpenFiles": [
+    "law of definite proportions and percent composition.md",
+    "chemistry/law of definite proportions and percent composition.md",
+    "chemistry/polyatomic ions 1.md",
     "physics/physics.md",
     "physics/Thermodynamics.md",
     "physics/thermal expansion.md",
     "chemistry/Stoichiometry.md",
     "biology/cell biology.md",
     "biology/genetics.md",
-    "chemistry/polyatomic ions 1.md",
     "root.md",
     "chemistry/solubility table.md",
     "chemistry/state of matter.md",
@@ -382,8 +384,6 @@
     "chemistry/vsepr.md",
     "math/integrals.md",
     "math/derivatives.md",
-    "physics/random math shit i probably need to know.md",
-    "physics/kinesmatics formulas.md",
     "Pasted image 20260716183501.png",
     "Recording 20260716183349.m4a",
     "Recording 20260716183320.m4a",
diff --git a/chemistry/law of definite proportions and percent composition.md b/chemistry/law of definite proportions and percent composition.md
new file mode 100644
index 0000000..bbb2a70
--- /dev/null
+++ b/chemistry/law of definite proportions and percent composition.md	
@@ -0,0 +1,5 @@
+[[Stoichiometry]]
+
+law of definite proportions states: the elements in a chemical compound are always present in the same proportion by mass
+
+$percentcomposition=\frac{massofelement}{totalmassofcompound}*100%$