Answer:
50km
Explanation:
70km - 20km = 50 kilometers
Answer:
oil and vinegar
the rest would mix well so you can't determine the individual components
Explanation:
Answer:
7 moles
Explanation:
The molecular formula of sodium sulfide is Na_2S
One molecule of Sodium sulfide has 2 atoms of sodium and one atom of sulfur
1 mole of Sodium sulfide has 2 moles of sodium and one mole of sulfur
so 3.5 moles of sodium sulfide will have 2× 3.5 moles of sodium atoms
i.e 2×3.5= 7 moles of sodium atom
The planet that orbits in a near circle is EARTH :D