Law of Conservation of Mass

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Title:
Law of Conservation of Mass

Purpose:
The purpose of the Law of conservation of Mass lab is for me to attempt to verify the Law of Conservation of Mass.

Procedure:
Acid Base Neutralization
1. Using 2 modified, beral pipettes fill pipet an about 1/5 full of white vinegar and pipette B about 1/5 full of 1.0 M NaOh (sodium hydroxide). 2. Place the 2 Pipets on the beam balance and read and record the total mass of the 2 pipets.

3. Carefully telescope the stem of pipet A into the stem of pipette B without spilling any liquid.
4. Mix the solutions by gently squeezing the bulb of pipette A into pipet B. Record any observations.
5. Place the apparatus on the beam balance and record the final mass. 6. Rinse both pipets and if any liquid spills rinse once more or until cleaned. The Formation of a Precipitate
1. Using 2 modified, beral pipets fill the bulb of pipet A about 1/5 full of 0.1M Pb (C2H3O2) 2(lead acetate) and fill the bulb of pipet B about 1/5 full of 0.1M Kl (potassium iodide)
2 Place the 2 pipets on the beam balance and read and record the total mass of the 2 pipets.
3. Carefully telescope the stem of pipet A into the stem of pipet B without spilling any liquid.
4. Mix the solution by gently squeezing the bulb of pipette A into pipets B. Record any observations.
5. Place the apparatus on the beam balance and record the final mass. 6. Rinse both pipets and if any liquid spills rinse once more or until cleaned. The Formation of a Gas
1. Place about 10mL of distilled water into the wide mouth square bottle. Into the cap place about 1/4 to 1/3 of an Alka Seltzer tablet.
2. Place both the bottle with water and the cap containing the Alka Seltzeron the beam balance and read and record the initial total mass.
3. Remove the bottle and cap with Alka Seltzer from the beam balance. Drop the Alka Seltzer into the bottle and quickly place the cap on tightly. Swirl the...
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