This exercise deals with safety issues in the Freezing Point Depression experiment. Choose the answer that best completes each statement. (a) Stearic and lauric acids are 1 but prolonged contact with skin may cause 2 . (b) If either stearic acid or lauric acid is spilled on the skin, it should be

A1 - non hazardous

A2 - irritation

B. Washed off with soap and water

Explanation:

- all materials or chemicals that are not specifically deemed hazardous that is does not cause any harm to the organism in the presence of the material or chemical.

- irritation is a discomfort to an organism which can be caused by an external substance like chemicals.

B. This is the action carried out in order to clean a substance off a surface of a body.

your answer would be a. 12.5 kg