1. Aspirin, also known as acetylsalicylic acid (C9H8O4) is a medication, often used to relieve minor aches and pains and reduce fever. Each tablet contains 325 mg of aspirin, and a typical adult dose is two tablets every four hours. • Determine the molar mass of aspirin. Show all steps to find the answer.
• Calculate the number of moles of aspirin in a single tablet. Show all steps to find the answer.
• Calculate the number of moles of aspirin that an adult would have taken if she took four doses of aspirin in one day. Show all steps to find the answer.

Can someone me with questions 15 to 17 plz.

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Juju.01) 5 geologic events a group of students designed an experiment in an ice rink to represent the solar system. the steps of the experiment are listed below. 5: geologic events 1. choose a student to represent the sun. the planets are represented by two tennis balls. 2. ask the student to hold the tennis balls in each palm and spin on the ice with arms stretched out. 3. ask the student to draw in the arms after about 10 spins. 4. observe the student's arms rotate faster when they are closer to the body. 05 geologic events enors) the experiment most likely demonstrates that (2 points) 07 discussion-based sessment/module planets exert gravitational force on the sun the sun exerts gravitational force on the planets 3.07 discussion-based ssessment speed of a planet depends on its distance from the sun new version available! (3.0.119) get it now submit 18.07: module exam description