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Answer:
4 mol of lithium nitride would be produced
Explanation:
6Li + N2 → 2Li3N
This equation means that 6 mol of lithium are reacted with 1 mol of nitrogen to make, 2 mol of lithium nitride.
So this is the rule of three to find out, how many moles of lithium nitride are been made, from 12 mol of Li.
6 Li _____ 2 Li3N
12 Li ________ (12. 2) / 6 = 4 moles
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Answer:
See explanation
Explanation:
A substance is only soluble in water if it is composed of ions or polar groups which are capable of interaction with water.
Salt is composed of ions which are easily solvated by the dipoles of water molecule. Sucrose is composed of polar groups capable of interaction with water. This accounts for the solubility of sucrose (sugar) in water. Sugar is a covalent molecule but is composed of polar groups while salt is composed of ionic bonds.
Hence salt and sugar are both soluble in water for the reasons described above.
