1 answer:
Find the molar mass of the compound, then get the unit cancel out until u reach "g"
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When a solute is completely dissolved in a solvent, a solution is formed.
Answer:
1.94
Explanation:
moles = mass/Mr so you have 3.889 moles of aluminium, but because the ratio in the equation is 2:1 you need to halve it.
Answer:
C. because the 4s orbital is at a lower energy level
Answer:
solution given:
log k=4-
so,
On comparison
∆S°/R = 4
∆ S° = 4R
Answer:
Atomic number: 46
period : 5
