Answer:
20.9%
Explanation:
I took the test i hope this helps:)
Answer:9.49g/mL
Explanation:
Mass of toy = 43.672g
Volume of water = 34.4mL
Volume of toy + volume of water = 39mL
Volume of toy = 39 — 34.4 = 4.6mL
Density = Mass /volume
Density = 43.672/4.6 = 9.49g/mL
Color change bubbles and i think dissolving
Hydrogen as it has only 1 proton and therefore only an atomic mass of 1...
