Calculate the PH of a 0

question 31

Multiple Choice

Calculate the pH of a 0.18 M solution of KNO₂. (K_a (HNO₂) = 4.5 x 10^-4)

• A) 5.70
• B) 8.30
• C) 2.05
• D) 11.95
• E) 9.91

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Definitions:

Trade Policies

Trade policies comprise laws and regulations governing international trade, including tariffs, trade agreements, and import/export controls, to protect domestic industries and manage economic relationships.

Trade Balance

The value of a nation’s exports minus the value of its imports; also called net exports.

Capital Flight

The large-scale exodus of financial assets and capital from a country due to economic instability or unfavorable policies, leading to a decrease in investment and economic growth.

Real Exchange Rate

The rate at which the goods and services of one country can be exchanged for those of another, adjusted for inflation.