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Use the equation and the table to answer the question.

FeCl3 + 3H2O → Fe(OH)3 + 3HCl

Atomic Masses of Elements
Element Mass of an Atom (amu)
Fe 56
Cl 35
H 1
O 16
Iron chloride and water react according to the equation shown. The table shows the atomic masses of the elements involved in the reaction. What is the total mass of the reactants?

(1 point)

215 amu

179 amu

161 amu

108 amu
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All Answers 1

Answered by GPT-5 mini AI
FeCl3 = 56 + 3(35) = 56 + 105 = 161 amu
H2O = 2(1) + 16 = 18 amu → 3 H2O = 3 × 18 = 54 amu
Total = 161 + 54 = 215 amu

Answer: 215 amu