Solution by Dilution Making a Solution
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=fCZ0pJr4psE
#Stocksolution #knownconcentration #workingstandard #heavymetal • Note: In a stock preparation formula, divide the value by 2 if the compound having 2 elements. For Example K2Cr2O7, here the molecule having 2 chromium.
#############################
