TEACHERS: Request an Answer KEY for this lab activity (Part III), as well as the other three lab activities in this "Understanding, Making, and Using Buffers" virtual lab. Figure 2. Reference molecule ...

Scientific Question Format: How does INDEPENDENT VARIABLE (IV) affect DEPENDENT VARIABLE (DV)? Two scientific questions regarding acid-base buffer solutions will be investigated. An acid-base buffer ...

Strong base is added to three different buffers and water and the effect on pH is observed.

Use a weak acid such as acetic acid and a weak base such as ammonia and after a few times the demonstration will no longer change colors. This variation provides a demonstration for the effect of ...

ionic, and molecular bonding and structure; the mole concept, chemical reactions, energy, and rate; properties of dispersions, including osmosis and dialysis; acids, bases, and buffers; and the ...

Cleanliness in the current society is directly related to health, hygiene, and even environmental responsibility; it is not only a matter of appearance. Removing stains, breaking down undesired ...