If a Sample Contains 70% of the (+)Isomer and 30

question 75

Multiple Choice

If a sample contains 70% of the (+) isomer and 30% of the (-) isomer,what is its enantiomeric excess?

• A)70% (+)
• B)40% (+)
• C)30% (+)
• D)30% (-)

---

Definitions:

Tide

The periodic rise and fall of sea levels caused by the gravitational interactions between the Earth, Moon, and Sun.

Rapid Erosion

The quick removal of soil and rock from the Earth's surface by natural processes like flowing water or wind.

Cliff

A steep face of rock and soil, often formed by erosional processes along coastlines, riverbanks, or in mountainous regions.

Delta

A nearly flat tract of land formed by deposition of sediment at the mouth of a river or stream.