In the Qualitative Analysis Scheme for Metal Ions,how Are the Analytical

question 3

Multiple Choice

In the qualitative analysis scheme for metal ions,how are the Analytical Group I cations separated from the other cations?

• A)by addition of HCl,forming insoluble metal chlorides
• B)by addition of H₂SO₄,forming insoluble metal sulfates
• C)by addition of H₂S in acidic solution,forming insoluble metal sulfides
• D)by addition of H₂S in basic solution,forming insoluble metal sulfides or hydroxides
• E)by addition of (NH₄)₂CO₃ or (NH₄)₃PO₄,forming insoluble metal carbonates or phosphates

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Definitions:

Labor Productivity

A measure of economic performance that compares the amount of goods and services produced (output) with the number of hours worked to produce those goods and services.

Capital Per Worker

The total capital stock of an economy divided by the number of labor workers, influencing productivity.

Labor Productivity

A measure of economic performance that calculates the amount of goods and services produced per hour of labor.

Per-Worker Production Function

The relationship between the amount of capital per worker in the economy and average output per worker.