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Relative Atomic Mass of Element Formula

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Relative Atomic Mass of an Element is defined as the ratio of the avg. mass of atom of specific composition to the 1/12th of the mass of atom of nuclide C-12. Check FAQs

A r = \frac{M element}{(\frac{1}{12}) \cdot M C-12}

A_r - Relative Atomic Mass of an Element?M_element - Mass of an Atom?M_C-12 - Mass of Carbon-12 atom?

Relative Atomic Mass of Element Example

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Here is how the Relative Atomic Mass of Element equation looks like with Values.

Here is how the Relative Atomic Mass of Element equation looks like with Units.

Here is how the Relative Atomic Mass of Element equation looks like.

15.9836 = \frac{15.999}{(\frac{1}{12}) \cdot 12.0116}

15.9836 = \frac{15.999g}{(\frac{1}{12}) \cdot 12.0116g}

15.9836 = \frac{15.999}{(\frac{1}{12}) \cdot 12.0116}

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Relative Atomic Mass of Element Solution

Follow our step by step solution on how to calculate Relative Atomic Mass of Element?

FIRST Step Consider the formula

A r = \frac{M element}{(\frac{1}{12}) \cdot M C-12}

Next Step Substitute values of Variables

∴

A r = \frac{15.999g}{(\frac{1}{12}) \cdot 12.0116g}

Next Step Convert Units

∴

A r = \frac{0.016kg}{(\frac{1}{12}) \cdot 0.012kg}

Next Step Prepare to Evaluate

∴

A r = \frac{0.016}{(\frac{1}{12}) \cdot 0.012}

Next Step Evaluate

∴

A r = 15.9835792067668

LAST Step Rounding Answer

∴

A r = 15.9836

Relative Atomic Mass of Element Formula Elements

Variables

Relative Atomic Mass of an Element

Relative Atomic Mass of an Element is defined as the ratio of the avg. mass of atom of specific composition to the 1/12th of the mass of atom of nuclide C-12.

Symbol: A_r

Measurement: NAUnit: Unitless

Note: Value should be greater than -1.

Formulas to find Relative Atomic Mass of an Element

Mass of an Atom

Mass of an Atom is defined as the average mass per atom of a specific composition of an element.

Symbol: M_element

Measurement: WeightUnit: g

Note: Value should be greater than -1.

Formulas to find Mass of an Atom

Mass of Carbon-12 atom

Mass of Carbon-12 atom is defined as the mass of the atom of the Carbon-12 isotope.

Symbol: M_C-12

Measurement: WeightUnit: g

Note: Value should be greater than -1.

Formulas to find Mass of Carbon-12 atom

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Go Percent by Weight

% by wt. = \frac{gSolute}{100gSolution}

How to Evaluate Relative Atomic Mass of Element?

Relative Atomic Mass of Element evaluator uses Relative Atomic Mass of an Element = Mass of an Atom/((1/12)*Mass of Carbon-12 atom) to evaluate the Relative Atomic Mass of an Element, The Relative Atomic Mass of Element formula is defined as the ratio of the average mass per atom of specified composition of an element to 1/12 the mass of an atom of the nuclide carbon-12. Relative Atomic Mass of an Element is denoted by A_r symbol.

How to evaluate Relative Atomic Mass of Element using this online evaluator? To use this online evaluator for Relative Atomic Mass of Element, enter Mass of an Atom (M_element) & Mass of Carbon-12 atom (M_C-12) and hit the calculate button.

FAQs on Relative Atomic Mass of Element

What is the formula to find Relative Atomic Mass of Element?

The formula of Relative Atomic Mass of Element is expressed as Relative Atomic Mass of an Element = Mass of an Atom/((1/12)*Mass of Carbon-12 atom). Here is an example- 15.98358 = 0.01599903/((1/12)*0.0120116).

How to calculate Relative Atomic Mass of Element?

With Mass of an Atom (M_element) & Mass of Carbon-12 atom (M_C-12) we can find Relative Atomic Mass of Element using the formula - Relative Atomic Mass of an Element = Mass of an Atom/((1/12)*Mass of Carbon-12 atom).

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Relative Atomic Mass of Element Formula

Relative Atomic Mass of Element Example

Relative Atomic Mass of Element Solution

Relative Atomic Mass of Element Formula Elements

Other formulas in Basic Chemistry category

How to Evaluate Relative Atomic Mass of Element?

FAQs on Relative Atomic Mass of Element

Variable Name