Molarity of HCl Formal Write Up

Molarity of HCl Formal Write Up - Title Determining the...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Title Determining the Molarity of A Strong Acid Sophie Scheidlinger, author Candace Britton, lab partner Experiment 3 September 21, 2007 Purpose To use titration to determine the molarity of a strong acid, HCL, to four decimal places. To demonstrate accuracy and precision. Methods The titration was conducted according the procedure outlined on pages 35-36 in the General Chemistry 1A Laboratory Manual for Fall of 2007. Obtain about 20 mL of 5M HCl and dispense into a clean, dry, 50 mL beaker. Rinse a clean 5.00 mL pipette with a little of the 5 M HCl solution. To do this, place the pipette covered with the suction cup into the solution, squeeze the suction cup to draw up the HCl solution and tilt the pipette until the HCl has touched all the sides of the pipette. Release the HCl by squeezing the suction cup when it is over the waste beaker. Remember to read the bottom of the meniscus to obtain measurements. Again, fill the pipette by suction to above the calibration mark. Remove the bulb and immediately cover the stem with a dry, right index finger. Wipe off the lower stem and tip. Adjust the index finger covering the pipette until the meniscus reaches the calibration mark. Drain HCl into a clean 250.00 mL volumetric flask. Fill the flask to the line with distilled water and carefully swirl the mixture. If any of the HCl or TRIS gets on the skin (or anywhere else, for that matter) at any point, immediately and thoroughly wash the affected area with distilled water for several minutes. Rinse a buret twice with a few mL of the diluted HCl solution. Fill the buret with
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/21/2008 for the course CHEM 1A taught by Professor Nitsche during the Spring '08 term at University of California, Berkeley.

Page1 / 3

Molarity of HCl Formal Write Up - Title Determining the...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online