How Much Tin Is Needed to Make a Bronze Piece

question 51

Multiple Choice

How much tin is needed to make a bronze piece that will contain 475 g of copper? Bronze is 90% Cu and 10% Sn by mass.

• A) 4.3 × 10³ g
• B) 890 g
• C) 48 g
• D) 52.8 g
• E) 430 g

---

Definitions:

Promissory Note

A written promise to pay a specified sum of money to a designated party at either a fixed or determinable future date.

Maturity Date

The specified date on which the final payment on a loan, bond, or other financial instrument is due and is to be paid in full.

Compound-Interest GIC

A Guaranteed Investment Certificate where the interest is compounded at regular intervals, leading to an increase in the amount earned over time.

Compounded Semiannually

An interest calculation method where the interest is added to the principal twice a year, leading to interest on interest in the subsequent periods.