A Soil Has a Maximum Potential Cation Exchange Capacity of 30

question 7

Multiple Choice

A soil has a maximum potential cation exchange capacity of 30 cmol_c/kg and has a 50% acid saturation.If you want to decrease the percentage acid saturation to 10%,how many cmol_c of calcium would it take to replace the exchangeable acid cations per kg of soil? Assume all the calcium exchanged with aluminum.

• A)30
• B)40
• C)6
• D)12
• E)5

---

Definitions:

Price

The financial sum anticipated, obliged, or handed over in exchange for an item.

Coupon Rate

The interest rate that a bond issuer will pay to the bondholders; it's set as a fixed percentage of the bond's par value.

Yield

The income return on an investment, such as the interest or dividends received from holding a particular security.

Price

The amount of money required to purchase a good, service, or asset.