Empirical formula

Mind Map by , created about 6 years ago

Chemistry Mind Map on Empirical formula, created by prietam.shah on 09/28/2013.

Created by prietam.shah about 6 years ago
GCSE - AQA: C1.1 The Fundamental Ideas in Chemistry
Olly Okeniyi
Chemistry 3 Extracting Metals Core GCSE
Chloe Roberts
Chemical Reactions and Solutions
Adelene Somerville
An Inspector calls Themes
Computing Hardware - CPU and Memory
Ionic Bondic Flashcards.
AS Chemistry - Enthalpy Changes
Sarah H-V
Chemical Symbols
Rates of Reaction
Evie Papanicola
OCR Chemistry - Atoms, Bonds and Groups (Definitions)
Empirical formula
1 Molecular formula
1.1 actual ratio in which atoms combine
1.2 relative Molecular mass (Mr)
1.2.1 can be found using mass spectrometer
1.2.2 is equal to sum of relative atomic mass (Ar) of all the atoms relative atomic mass (Ar) is the mass of atom as compared to carbon-12 atom
1.3 simple multiple (n) of emperical formula
1.3.1 n = relative molecular mass (Mr) / emperical mass molecular formula = n x emperical formula
2 simplest ratio in which atoms combine
3 empirical mass
4 can be found by experiment
4.1 steps
4.1.1 find the ratio of actual mass of elements
4.1.2 convert mass ratio to mole ratio no of moles = given mass / mass of 1 mole
4.1.3 reduce mole ratio to simplest ratio
4.1.4 write empirical formula from simples mole ratio

Media attachments