When you have both of these ( The periodic table of elements and the formula of your compound) you are able to calculate the R.M.M ( Relative atomic mass) of that compound.
For example the formula of a NaCl ( Table salt ) has the elemnt Na and Cl.
We look at the atomic mass of both of these compounds
Na - 23
Cl - 35.5
R.M.M = 23 +35.5 = 58.5
Hope this helps :).
You need to use Avogadro's constant to convert from atoms of carbon to moles of carbon.
1.71*10^24 atoms C * (1 mole/6.022*10^23 atoms) = 2.84 moles of carbon
A pure substance consists of a single element or compound<span>. Iron is formed only of iron (Fe) atoms; table salt is formed only of </span>sodium chloride<span> (</span>NaCl) molecules. Amixture<span>, however, is made up of different compounds and/or </span>elements<span>.</span>
Answer:
150.08 g
Explanation:
According the law of conservation of mass, mass can neither be created nor destroyed but is converted from one form to another.
As a result of this, the total mass of reactants must be equal to the total mass of products.
If this is so, we have been told that the mass of AgCl is 150.15 g, the total mass of products is 300.23g.
Therefore; mass of NaNO3 = 300.23 g - 150.15 g = 150.08 g
1) Reactions which<span> involves both a </span>reduction<span> process and a complementary </span>oxidation<span> process are called </span>oxidation-reduction.they <span>can't be double replacement reactions.</span>
Hence,
WO3 + 3H2 ---> W + 3H2O is an oxidation-reduction reaction
