CHEM 121 LAB REPORT FINAL PAPER 2026 FULL Q&A STUDY GUIDE GRADED A+

CHEM 121 LAB REPORT FINAL PAPER
2026 FULL Q&A STUDY GUIDE GRADED
A+

◉Analytical balance, thermometer, and pipet . Answers: What 3
instruments were used in Experiment 1?


◉1). Calibrated a pipet
2). Measured the density of water
3). Measured the density of antifreeze . Answers: What did you
accomplish in Experiment 1?


◉Insert the tip of the pipet into a liquid and squeeze the rubber bulb
to get the correct amount of liquid you want to measure, or you can
use your finger to get the liquid up . Answers: How do you use a
pipet?


◉density= mass/volume . Answers: What is the formula for density?


◉1).Silicon dioxide
2).Sodium chloride

, 3).Calcium carbonate . Answers: What are 3 of the main components
of beach sand?


◉Having the same composition throughout the mixture, often called
a solution
- Ex. vinegar and household amonia . Answers: What is a
homogeneous mixture?


◉Having varying composition throughout the mixture
- Ex. Dirt with pebbles . Answers: What is a heterogeneous mixture?


◉A physical property used to separate mixtures . Answers: What is
solubility?


◉1). Filtering
2). Solubility
3). Decantation
4). Sedimentation
5). Extraction
6). Sublimation . Answers: What are 6 methods of separating
mixtures?