PLZ HELP MEEE! I will give BRAINLIEST Chemistry Unit 2 Part 2
You are helping a chemist in their lab, they give you a sample of an unknown substance. They tell you the substance has two isotopes. Unknown Isotope #1 – 63 amu and 70% abundance. Unknown isotope #2 – 65 amu and 30% abundance.

1. What is a scientific question about the substance you could ask given the information you have? 4 points.

2. Knowing that the average atomic mass could identify the unknown substance. Describe/state a model (mathematical) you could use to identify the substance. 5 points

3. You are given three samples of known substances that each looks like your unknown substance. Describe an experiment you could do to verify if your substance is the same as one of your known samples. What would your independent and dependent variables be in your experiment? 6 points