You can look on the periodic table for the number of automic mass units in each element.
1 mole Li = 6.94 amu
6.94 • 2 = 13.9 amu
There are 13.9 amu in 2 moles of Li
Answer is: the ratio of amount NaOH reacting per unit amount FeCl₃ is 3 mol NaOH /1 mol FeCl₃.
Balanced chemical reaction:
3NaOH(aq) + FeCl₃(aq) → 3NaCl(aq) + Fe(OH)₃(s).
NaOH is sodium hydroxide.
FeCl₃ is iron(III) chloride.
Coefficient for sodium hydroxide is three and for iron(III hydroxide is one.
Answer:
0.400 moles
Explanation:
Well, you know that one mole of ammonium chloride,
NH 4 Cl
, dissociates completely in aqueous solution to form one mole of ammonium cations,
NH + 4
, and one mole of chloride anions, Cl
−
.
Galvanizing protects from rust in a number of ways: It forms a barrier that prevents corrosive substances from reaching the underlying steel or iron. The zinc serves as a sacrificial anode so that even if the coating is scratched, the exposed steel will still be protected by the remaining zinc.
Answer:
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Explanation:
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