Determination of Eqv. Mass of Metal using Chloride Formation Method given vol. of Cl at STP Calculator

Formula Used:

\[ E.M_{Metal} = \frac{W}{V_{reacted}} \times V_{Chlorine} \]

Mass of Metal:

Vol. of Chlorine reacted:

m³

Vol. of Chlorine reacts with eqv. mass of metal:

m³

Equivalent Mass of Metal (kg):

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1. What is Equivalent Mass of Metal?

Definition: Equivalent Mass of Metal is the number of parts by mass of an element which can displace/combine with 1.008 parts by mass of hydrogen or 8 parts by mass of oxygen or 35.5 parts by mass of chlorine.

Purpose: This calculator helps determine the equivalent mass of a metal using the chloride formation method at STP (Standard Temperature and Pressure).

2. How Does the Calculator Work?

The calculator uses the formula:

\[ E.M_{Metal} = \frac{W}{V_{reacted}} \times V_{Chlorine} \]

Where:

\( E.M_{Metal} \) — Equivalent Mass of Metal (kg)
\( W \) — Mass of Metal (kg)
\( V_{reacted} \) — Volume of Chlorine reacted (m³)
\( V_{Chlorine} \) — Volume of Chlorine that reacts with equivalent mass of metal (m³)

Explanation: The mass of metal is divided by the volume of chlorine reacted, then multiplied by the volume of chlorine that would react with the equivalent mass of the metal.

3. Importance of Equivalent Mass Calculation

Details: Determining equivalent mass is crucial in stoichiometric calculations, chemical analysis, and understanding the combining capacity of elements in chemical reactions.

4. Using the Calculator

Tips: Enter the mass of metal in kg, volume of chlorine reacted in m³, and volume of chlorine that would react with equivalent mass of metal in m³. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is STP in chemistry?
A: STP stands for Standard Temperature and Pressure, defined as 0°C (273.15 K) and 1 atm pressure (101.325 kPa).

Q2: Why is chlorine used in this method?
A: Chlorine reacts with most metals to form stable chlorides, making it ideal for equivalent mass determinations.

Q3: How do I measure the volume of chlorine reacted?
A: The volume can be measured using a gas burette or gas syringe in a controlled laboratory setup.

Q4: What's the significance of equivalent mass?
A: Equivalent mass helps in understanding the combining ratios of elements and is fundamental in stoichiometry.

Q5: Can this method be used for all metals?
A: This method works for metals that react with chlorine to form stable chlorides under STP conditions.