Which of the Following Shows a Relationship Expressed in the Correct

question 6

Multiple Choice

Which of the following shows a relationship expressed in the correct number of significant figures?

• A)[H⁺] = 1.270*10^-2 M; pH =1.896
• B)pH = 2.273; [H⁺] = 5.333 *10^-3 M
• C)[H⁺] = 1.80 *10^-2 M; pH = 1.74
• D)pH =8.9; [H⁺] = 1.3*10^-9 M
• E)pH =4.0; [H⁺] = 1 *10^-4 M

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Definitions:

Net Exports

The value of a country's total exports minus the value of its total imports, measuring the net income from foreign investments.

GDP

Gross Domestic Product, a measure of the economic performance of a nation, representing the total value of all goods and services produced over a specific time period.

Imports

are goods and services brought into one country from another for the purpose of trade or sale, contributing to a country's supply of products not locally produced.

Exports

Goods, services, or commodities sent from one country to another country for sale or trade.