Calculate the ph when 50. 0 ml of 0. 150 m koh is mixed with 20. 0 ml of 0. 300 m hbro (ka = 2. 5 × 10⁻⁹).

What is it called when someone gets sick from eating food contaminated with germs or toxins? a. potentially hazardous food b. ptomaine poisoning c. foodborne illness d. raw food

How.many question are on the aspire science test

Which of the answer is a characteristic of what osha calls "permit-required confined space? "