Question

How many grams of \[Al\] are in \[4.70{\text{ }}moles\] ?

Answer 1

Hint: Mole is a unit measurement. A mole agrees to the mass of a substance that holds \[\;6.023{\text{ }} \times {\text{ }}{10^{23}}\] atoms of the substance. Its symbol is mol.
The atomic mass of Aluminium is \[26.98{\text{ }}amu\] .

Complete step by step answer:
\[1{\text{ }}mole\] of any substance holds \[\;6.023{\text{ }} \times {\text{ }}{10^{23}}\] atoms any macroscopic substance can't be existent in this amount thus this number is used to measure microscopic units like atomic or subatomic. Mass of \[1{\text{ }}mole\] of a Substance in grams is agreed by its molar mass, also so-called gram molecular mass.
\[1{\text{ }}mole\] of atoms exemplifies Avogadro's number, i.e. \[\;6.023{\text{ }} \times {\text{ }}{10^{23}}\] . This is basically a number alike \[10{\text{ }}or{\text{ }}12,{\text{ }}or{\text{ }}20{\text{ }}or{\text{ }}100\]. If there are \[\;6.023{\text{ }} \times {\text{ }}{10^{23}}\] aluminum atoms nearby is a mass of \[26.98\;g\] . So uncertainty you have \[4.70{\text{ }}moles\] , there is a mass of approx. \[127\;g\;\] of aluminum.
 \[1{\text{ }}mole\] of aluminum atoms has a mass of \[26.98\;g\] . You have \[4.70{\text{ }}moles\] .

Additional information:
Aluminium is a chemical element with the symbol \[Al\] and atomic number \[13\] . Aluminium is a group \[13\] element. aluminium is a weedy metal in the boron group; as it is communal for the group, aluminium forms compounds mostly in the \[ + 3\;\] oxidation state. The aluminium cation \[A{l^{3 + }}\;\] is small and exceedingly charged; for itself, it is polarizing, and bonds aluminium forms tend headed for covalency.

Note: Generally, aluminum is trivalent. By elevated temperatures, yet, a few gaseous monovalent and bivalent compounds have been organized \[(AlCl,{\text{ }}A{l_2}O,{\text{ }}AlO).\] Aluminum is gradually attacked by utmost dilute acids and quickly dissolves in concentrated hydrochloric acid. Aluminum is an exceptional conductor of heat and electricity. Its thermal conductivity is approximately one-half that of copper; this one electrical conductivity, about two-thirds.