3x10^-4 cm = 0.0003 cm
3x10^4 km = 30,000 km.
Answer:
Here just look at the pic here
Explanation:
<span>aqueous is the colorful one</span>
Acid A, assuming the two acids have the same pH. The M stands for molarity which is how concentrated a substance is (basically the higher the molarity the more concentrated the acid is). However, pH refers to how acidic a substance is. If the two acids have different levels of acidity, the answer may be different.
Because iron is a more reactive metal than copper is :)