2. How many grams of NaOH are in 500 mL of 2.25M solution of NaOH ?
3. mNaOH=45.00 g
Step 1 :1. nNaOH=M×V=2.25M×500mL=2.25×0.5L
Step 2 :2. mNaOH=nNaOH×Molar massNaOH=(2.25×0.5)×40.00 g/mol
Step 3 :3. mNaOH=45.00 g