Iron has four stable isotopes, Fe - 54 5.85%, Fe - 56 91.75%, Fe - 57 2.12% and Fe - 58 0.28%. The average atomic mass of a sample of Iron will be closed to which
whole number?
A-56
B-58
C-54
D-57

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

Why do cells appear different in distilled water than they do in 10% salt water?

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.