Question

3.011 X 10^46
are the atoms of Na
Find the weight of Na??​

Answer 1

Answer:

1.15 * $10^{24}$ grams

Explanation:

No. of entities in one mole: 6.022 x $10^{23}$

No. of moles = Given no. of entities/$6.022*10^{23}$

No. of moles = $\frac{3.011*10^{46}}{6.022 * 10^{23}}$

No. of moles = 5 * $10^{22}$

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Molar mass of Sodium = 23g

Total mass = Molar mass * No. of moles

Total mass = 23 * (5 * $10^{22}$)

Total mass = 115 * $10^{22}$

Total Mass = 1.15 * $10^{24}$grams

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