Every year 5.5 billion tons of carbon is released through burning fossil fuels . Compare this to the weight of adult African ele
1 answer:
You might be interested in
The mass of substance which consists the equal number of particles as 12 grams of Carbon-12 is said to be mole.
For example:
The balanced chemical equation for production of water from hydrogen and oxygen is:
That means 2 moles of reacts with 1 mole of
to give 2 moles of
.
The given formula is .
Hence, 4 represents the number of moles in formula that is 4 moles of
.
The number of atoms of sodium, in
is:
The number of atoms of sulfur, in
is:
The number of atoms of oxygen in, in
is:
Answer:
0.2 moles, assuming weight of dried salt
Explanation:
In order to determine the number of moles, we need to be aware of the mass of the substance in question.
Assuming the mass of the dehydrated is 50g.
No. of moles = mass of substance/ molar mass of the substance.
=
= 0.2 moles moles.