Question: Find the mass in grams of : 5.24 x 10^-13 mol C20H42

can someone give me a step by step of this? all i really understand is the molar mass (my professor wants us to round the mass to the nearest whole number so: 282) what do I do after that? I am very lost

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Ответ:

nathangirnet

13.04.2022

Chemistry

Option (d) is the correct answer.

Explanation:

An ion is a specie that contains either a positive or a negative charge.

For example, $Na^{+}$ , $Ag^{+}$ , $Cl^{-}$ , $NO^{-}_{3}$ , etc are all ions.

Therefore, an ionic equation is defined as an equation that contains participating dissolved species in the form of ions.

For example, $Ag^{+} + NO^{-}_{3} + Na^{+} + Cl^{-} \rightarrow AgCl(s) + Na^{+} + NO^{-}_{3}$

Here, only AgCl is the precipitate as it is insoluble but rest of the species are ions as they have dissolved.

Thus, we can conclude that a complete ionic equation an equation showing all dissolved compounds as ions.

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Question: Find the mass in grams of : 5.24 x 10^-13 mol C20H42 can someone give me a step by step of this? all i really understand is the molar mass (my professor wants us to round the mass to the nearest whole number so: 282) what do I do after that? I am very lost