PLZZZZ HELP!

I When setting up your experiment, is added to the buret and Choose... is pipetted into the Erlenmeyer flask. One to two drops of are added to the Erlenmeyer flask along with additio otal volume to 50mL before beginning the titration. When setting up your experiment, is added to the buret and Choose... is pipetted into the Erlenmeyer flask. One to two drops of are added to the Erlenmeyer flask along with additional water to bring the total volume to 50mL before When setting up your experiment, is added to the buret and is pipetted into the Erlenmeyer flask. One to two drops of Chnna are added to the Erlenmeyer flask along with additional water to bring the total volume to 50mL before beginning the titration. According to the experimental procedure, which method will be used to mix the analyte solution while titrating? Select one: Glass stirring rod Magnetic stir bar Thermometer Gentle swirling A student completes her titration and determines the volume of NaOH needed to reach the endpoint of the titration. Her data is shown below. Taking outliers into account, should all four trials be used in the average calculation in each data set? Data Set 1 Trial Volume Trial 123.11mL Trial 223.20mL Trial 321.22mL Trial 423.17mL Trial 346.20mL Trial 446.39mL Choose