In the laboratory a student measures the percent ionization of a 0.498 M solution of acetylsalicylic acid (aspirin) , HC9H7O4, to be 2.53 %.

Calculate value of Ka from this experimental data.

Ka=

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

How do you lengthen a pattern piece? (family and consumer science, sewing)

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum