From ea2b192e086686052c1ea719d3a35cff7ef4887b Mon Sep 17 00:00:00 2001
From: titusquah <46580668+titusquah@users.noreply.github.com>
Date: Wed, 24 Mar 2021 16:48:56 -0600
Subject: [PATCH] Update llepe.py

---
 llepe/llepe.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llepe/llepe.py b/llepe/llepe.py
index b75a1b4..7208fe6 100644
--- a/llepe/llepe.py
+++ b/llepe/llepe.py
@@ -780,6 +780,8 @@ class LLEPE:
             extracted_species_charge_sum = np.sum(
                 extracted_species_charges * extracted_species_moles)
             anion_moles = extracted_species_charge_sum + h_plus_moles
+            #  TODO: Replace feed_vol in line 785 and line 787 with
+            #   oa_ratio*feed_vol (oa_ratio from restructured DataFrame)
             extractant_moles = feed_vol * row['z_i']
             extractant_vol = extractant_moles * extractant_mw / extractant_rho
             diluant_vol = feed_vol - extractant_vol