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How many grams of sodium are in 2.5 moles?

Answer 1

Wyatt Adkins

57.45 g

moles = mass / atomic mass

moles * atomic mass = mass

so, 2.5 moles * 22.98 g / mol = 57.45 g

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Answer 2

Wyatt Adkins

#57.4745g#

#1# mole of any substance weighs #=# Average atomic mass in gram.

Given substance is Sodium, #"Na"#; has Average atomic mass #=22.9898#.

Therefore, #1# mole of Sodium weighs #=22.9898g# #2.5# moles of Sodium weigh#=22.9898times2.5=57.4745g#

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Answer 3

Peyton Adams

Since sodium (Na) has a molar mass of about 22.99 grams per mole, 2.5 moles of sodium would be equal to (2.5 \times 22.99 = 57.475) grams.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.