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Reactive Metals Such as Iron Will Reduce Arsenic Acid (H3AsO4)to

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Reactive metals such as iron will reduce arsenic acid (H3AsO4) to the highly poisonous arsine gas (AsH3) in the presence of acid.What mass of iron would be required for such a reaction with 250 mL of 0.90 M arsenic acid,assuming that the iron is oxidized to Fe3+?
3 H3AsO4 + 8 Fe + 24 H+ → 3 AsH3 + 12 H2O + 8 Fe3+


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LIFO

"Last In, First Out," an inventory valuation method where the last items placed in inventory are the first ones sold.

Ending Inventory

The final value of goods available for sale at the end of an accounting period, calculated as beginning inventory plus purchases minus cost of goods sold.

Income Statement

A financial document outlining a company's revenue, expenses, and profits over a specific period, showing its ability to generate earnings.

Specific Invoice Method

An approach to managing accounts payable where payments are matched to specific invoices.

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