posted by Liz .
How many milliliters of 3.6 M HCl must be transfered from a reagent bottle to provide 20 g HCl for a reaction?
Answer in units of mL
How many moles in 20 g HCl? That is 20/molar mass HCl = ?? moles
M HCl = moles HCl/L HCl.
You know moles and M, solve for L and convert to mL.