Question

В сосуде находится 5,418 10 в 26 степени малекул кислорода.какое количество вещества, выраженное в молях,находится в этом сосуде?

Answer 1

Дано:
N = 5,418*10²⁶  молекул
__________
υ - ?

По формуле
υ = N / Nₐ     (Здесь Nₐ = 6,02*10²³ моль⁻¹ - число Авогадро) находим:
υ = N / Nₐ  =  5,418*10²⁶ / 6,02*10²³ = 900 моль кислорода.

Ответ: 900 моль

Answer 2

Calculating the Amount of Substance in Moles

To calculate the amount of substance in moles, we can use the formula:

n = N / N_A

Where: - n = amount of substance in moles - N = number of molecules - N_A = Avogadro's number (6.022 x 10²³ mol^-1)

Given that there are 5.418 x 10²⁶ molecules of oxygen in the vessel, we can calculate the amount of substance in moles using the above formula.

Calculation

n = 5.418 x 10²⁶ / 6.022 x 10²³

n ≈ 89.99 moles

Therefore, the amount of substance in the vessel, expressed in moles, is approximately 89.99 moles.

This calculation is based on the provided number of molecules and Avogadro's number.

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