Answer:
<h3>A.</h3>
Explanation:
If A does not work, please use the alteritive choice, which is D!
が機能しない場合は、別の選択肢であるDを使用してください。 ^ 3 ^
35.453 (chlorine) + 10.811 (boron) = 46.264
I think is B not sure but good luck have a nice day
Hydrocarbons are only made up of carbon and hydrogen. since this compound has chlorine, it is not a hydrocarbon
One mole of a substance is defined by Avogadro as consisting of 6.022 x 1023 atoms. This is Avogadro's number. To calculate the number of atoms in two moles of sodium, use dimensional analysis. 2.0 moles Na x 6.022⋅1023g1mol=1.20⋅1024 atoms of Na