posted by cheri .
How many milliliters of 5.5 M HCl must be
transfered from a reagent bottle to provide
23 g HCl for a reaction?
Answer in units of mL
How many mol do you want in 23 g HCl? That is mols = grams/molar mass
You have 5.5M HCl. M = moles/L soln.
You know M and mols, solve for L and convert to mL.