A Sample of Iron Metal Is Placed in a Graduated $\rarr$

question 104

Multiple Choice

A sample of iron metal is placed in a graduated cylinder. It is noted that 10.4 mL of water is displaced by the iron. The iron is then reacted with excess hydrochloric acid to produce iron (II) chloride and hydrogen gas. Given the density for iron is 7.86 g/mL, how many grams of iron (II) chloride are produced in the reaction
Fe(s) + 2HCl(aq) $\rarr$ FeCl₂(aq) + H₂(g)

• A) 23.6 g
• B) 47.2 g
• C) 185 g
• D) 3.00 g
• E) 81.7 g

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Definitions:

Vertical Analysis

A method of financial statement analysis where each entry for a given period is presented as a proportion of a fixed line item.

Total Assets

The sum of all assets owned by a company, including cash, inventory, and property.

Accounts Receivable

Money owed to a company by its customers for goods or services that have been delivered but not yet paid for.

Percentage Of Decrease

A measure that calculates the decrease in a quantity as a percentage of its previous value.