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How do you calculate an empirical formula

An empirical formula is the simplest ratio of atoms of each element in a compound. You will be given either the mass of each element in the compound or the % mass. 1. Divide each mass (or % mass) by the a...

Answered by Tanisha S. Chemistry tutor
5433 Views

Describe an atom in terms of its sub-atomic particles and their relative mass, relative charge and its location

An atom is made up of 3 sub-atomic particles: the proton, neutron and electron. A proton has a relative mass of 1, a relative charge of +1 and is located in the nucleus. A neutron has a relative mass of 1...

Answered by Victoria M. Chemistry tutor
2319 Views

What are the relative masses of protons, neutrons and electrons?

The relative mass of a proton is 1. The relative mass of a neutron is 1. The relative mass of an electron is 1/1840 (accept 0).

Answered by Rebecca D. Chemistry tutor
120565 Views

Nitrogen reacts with hydrogen to produce ammonia. Calculate the mass of ammonia made from 84.0g of nitrogen.

(1) First, write out the equation if it is not given: N+ 3H---> 2NH3 (2) Calculate the moles of nitrogen in the reaction using the information you have; in this cas...

Answered by Thivya T. Chemistry tutor
13060 Views

I do not understand Le Chatelier's Principle - please help!

LeChaterlier's principle states: 'If a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium moves to counteract the change'. In short, this helps us to work out HOW cha...

Answered by James S. Chemistry tutor
2828 Views

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