Answer:
48.03
Explanation:
applying the combine law of boyles and charles
Common sense tells us that 1 atom of lead and 25 atoms of mercury can’t be the answer because the amounts are much smaller than the other options.
To compare the remaining options, we first find their masses individually. No need to worry about significant figures because this is a comparison of the two.
Because 59.091 g is greater than 53.935 g, the 0.3 mol of gold atoms has the greatest mass.
"the molecules are closer together and so sounds travel faster"
The substance that is being dissolved is called the solute and the substance that does the dissolving is called the solvent. So the solvent dissolves in the solute the forming a solution.
Mg(NO3)2
Mg is +2 in oxidation while NO3 is -1, so you require two NO3 to have a neutral charge: 0