EQ's Flashcards
1
Q
Give the definition of the empirical formula of a compound
[1 mark]
A
The simplest whole number ratio of atoms in a compound
2
Q
What is the chemical formula of nitric acid?
A
HNO3
3
Q
A student is making a standard solution.
Give one way that they can make their results more precise after using this solution
A
They can fill up the solution in a volumetric flask as this is more precise than a beaker
4
Q
Explain how a student could obtain a sample of salt after reacting a metal with an acid
A
Evaporate the water from the sample and collect the salt crystals of magnesium
