18. c
19. A
20. decomposition reaction
21. 4
22. 0.04%
Answer:
1 liter (L) = 1000 milliliters (mL)
Explanation:
Mr: 207.2
m=n×Mr= 6.53×207.2= 1353.02g
B. Hydrogen is the answer
Answer:
the moon is the earths natural satellite.
Explanation:
A natural satellite is in the most common usage, an astronomical body that orbits a planet, dwarf planet, or small Solar System body (or sometimes another natural satellite). Natural satellites are often colloquially referred to as moons, a derivation from the Moon of Earth.
