6. Students are given two samples of material. The first sample contains 1 mole of iron (Fe), and the second sample contains 1 mole of lithium (Li). Which of the following
statements best describes how these samples compare to one another?
1. Sample 1 contain more aroma than 2.
2. Each sample contains the same number of atoms.
3. Both samples have the same mass when placed on the scale.
4. Samples 2 has a greater mass than sample 1.

What is the subscript for oxygen in its molecular formula

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?

What is a difference between a mixture of elements and a mixture of compounds