It’s really any metal because metals form metallic bonds. They are the only substances which can make metallic bonds. So the answer is A
Answer:
8 mi = 12.875 km
12.875 /60 m
= 0.21458 km / min
11.7 / 0.21458 = 54.52 min
Answer:
96.1 %
Explanation:
Which teacher do you have lol
71.8 g of iron (III) oxide (Fe₂O₃) were produced from 3 moles of magnesium oxide (MgO).
Explanation:
We have the following chemical reaction:
2 FeCl₃ + 3 MgO → Fe₂O₃ + 3 MgCl₂
We see from the chemical reaction that 3 moles of magnesium oxide (MgO) will produce 1 mole of iron (III) oxide (Fe₂O₃).
number of moles = mass / molar weight
mass = number of moles × molar weight
mass of Fe₂O₃ = 1 × 71.8 = 71.8 g
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number of moles
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