what is the mass, in grams, of 1.4 mol W

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Willchemistry Willchemistry · Answer 1 · 2016-09-07T14:49:35-04:00

Atomic mass W = 183.84 u.m.a

1 mole --------- 183.84
1.4 moles ---- ?

1.4 x 183.84 / 1 = 257.376 g

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samueladesida43 samueladesida43 · Answer 2 · 2022-01-13T06:06:24-05:00

The mass in grams of 1.4 mol of tungsten (W) is 257.4grams.

The mass of a substance can be calculated by multiplying the number of moles of the substance by its molar mass. That is;

Mass of substance = molar mass × no. of moles

According to this question, there are 1.4 moles of tungsten. The molar mass of tungsten is 183.85g/mol

Mass of W = 183.85 × 1.4

Mass of W = 257.4grams.

Therefore, the mass in grams of 1.4 mol of tungsten (W) is 257.4grams

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