Solve
-Chandra Has 5 Liters of A 56 $56 \%$ Solution of Sodium Hydroxide in a Container

question 101

Multiple Choice

Solve.
-Chandra has 5 liters of a $56 \%$ solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 7 liters of $46 \%$ solution?

• A) 2 liters of \(19 \%\) solution
• B) 2 liters of \(21 \%\) solution
• C) 2 liters of \(24 \%\) solution
• D) 2 liters of \(22 \%\) solution

---

Definitions:

Price Index

A statistical measure that shows changes in the price level of a basket of goods and services over time, used to gauge inflation.

Phillips Curve

An economic theory suggesting an inverse relationship between the rate of unemployment and the rate of inflation in an economy.

Inflation

A continuous rise in the overall price level of goods and services within an economy over a period.

Unemployment

The condition in which a capable worker who is actively seeking employment is unable to find work.