This weekend I decided to bake some confetti sugar cookies t…

This weekend I decided to bake some confetti sugar cookies that called for vanillin. I was curious as to what the chemical formula is for vanillin, so I took a sample to the lab and determined that it is 63.99% carbon, 4.04% hydrogen, and 31.97% oxygen by mass. What is the chemical formula for vanillin?   Enter your answer in the box below

A scientist has discovered a new element Revelinium. This el…

A scientist has discovered a new element Revelinium. This element has three isotopes. The first isotope weighs [x] amu and is 39.10% abundant, the second isotope weighs [y] amu and is 41.62% abundant, and the third isotope is 19.28% abundant and weighs [z] amu. What is the average atomic mass for Revelinium?