How Can Sodium Hydrochloric Acid And Burette Be Washed By Water

In the lab we filled the first beaker up with water. Then we took a pipet (filled with the liquid) and dropped water droplets onto the

mL cylinder to the beaker on the stir plate and empty it into the beaker. Place the pH probe in the beaker and record the pH in the data table. Drag the beaker to the red disposal bucket. Double-click the bottle of NaHCO3 to move it to the Stockroom counter. Repeat steps 5 and 6 for KNO3.

9) Trial E: Remove the syringe and empty the beaker. Add a Thermometer to the beaker. Add 200 mL of Room Temperature water to the beaker and heat with a Bunsen Burner until it reaches 100° C. Remove the Bunsen Burner. Repeat Steps 5 & 6.

Problem & error: Write a paragraph about the issues you had in performing this lab. What went well, what did not go so well? What could you have done to improve your performance on the lab?

When filling up the burette it is important that a funnel is used, however as the solution reaches the 0 mark it is ideal that the funnel be removed and a pipette used instead to reach the 0 mark, this is to achieve greater precision. During the experiment, it is important to swirl the flask continuously with one hand

A Büchner funnel, along with its vacuum adapter, was placed over the opening of the filtration flask. 6. A piece of filter paper was placed in the Büchner funnel and wetted with distilled water. 7. The water aspirator was then turned on at full strength.

1. Using 2 modified, beral pipettes fill pipet an about 1/5 full of white vinegar

XII. Take the 250 ml beaker to your lab bench. Set up a gravity filtration with a plastic funnel, folded wet filter paper, and an Erlenmeyer flask. Pour the content in the 250 ml beaker slowly through the filter paper. Wash the filter paper with deionized water. Dispose of the filtrate in the proper labeled waste container.

The crucible and cover (subsequently referred to simply as crucible) were cleaned thoroughly with the test tube brush and soap solution.

Emptied one presidents choice black tea bag in the 500ml beaker and stirred until the color turned from cleat to a translucent

The lab is about trying to find a neutral potential hydrogen balance (PH) and molarity with following a certain number of steps. In the lab they received material such as, filter paper, vinegar, baking soda, glass rod, water, beaker, graduated cylinder, PH balance meter, and PH strips. After, collecting the material they had to do the first trial with information the teacher had given them to create their own procedure. The first trial was similar to the others except for the amounts would change for each substances. In the first lab the students were told to put fifty milliliters of water in the beaker and mix it in with one gram of sodium bicarbonate. After, mixing the two ingredients the group had to pour the mx into the ring stand. When

2. Assemble the apparatus shown in Figure 2. Be sure all fittings are airtight. Make sure the rubber stopper and flask neck are dry, then twist and push hard on the rubber stopper to ensure a tight fit.

8. Set up the container for the hot-water bath. Attach two ring clamps, one above the other, to the second ring stand beneath the test tube assembly. Place a wire gauze with ceramic center on the lower ring. Set a third 600 mL beaker, which should be empty, on the gauze and raise the beaker toward the test-tube assembly until it surrounds nearly one-half of the tube’s length. The beaker will pass through the ring clamp without gauze, and the test tube should not touch the bottom or sides of the beaker. The top clamp keeps the beaker from tipping when the beaker is filled with the hot water.

11. When the colour change has finished remove the flask from the hotplate using the wooden peg to prevent burnt fingers and put onto a heat proof mat, and continue stirring with a stirring rod while the mixture cools.

1. Use the bulb filler and vacuum-assisted pipette to pipette 25ml of the 0.5% sodium sulphate solution into a 250ml beaker.