Answer: 1.5 g/cm^3
Explanation:
Density is mass over volume
42g / 28 cm^3 = 1.5 g/cubic cm
hope this helps
Answer:
The sum of all the charges should equal the charge on the ion.
Answer:
D. Single Displacement
C. More reactive than
Explanation:
Al + CuSO₄ ---> Cu + Al₂(SO₄)₃
The aluminum replaces the copper in the compound, isolating copper. This occurs because the aluminum is more reactive than the copper.
I hope this helps! :)
