Which of these can be classified as a pure substance?
2 answers:
Salt. It's not mixed with anything.
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A. The gravitational force of the sun increased.
The gravitational pull increases as the mass increases
Answer:
16.0 g; 3.1 mol
Explanation:
(a) Mass of O atoms
Mass = 6.022 × 10^23 atoms × (2.66 × 10^-23 g/1 atom) = 16.0 g
(b) Moles of O atoms
0.050 kg = 50 g
Moles = 50 g × (1 mol/16.0 g) = 3.1 mol
Answer:
Chlorine atoms are smaller
Explanation:
Magnesium have more electrons than chlorine.
I think it’s C
I’m so sorry if it’s wrong!
