trvppptayy trvppptayy

11-06-2021
Chemistry

contestada

What is the mass, in grams, of 0.250 mol K2CO3?

Respuesta :

deztstar deztstar

11-06-2021

Answer:

jug

Explanation:

Answer Link

varshnakv varshnakv

11-06-2021

Answer:

34.55 g

Explanation:

n = m/mm

mm of k2co3 = 138.21 gmol

0.250 = m/(2 x 39.1) + 12.01 +(3 x 16)

0.250 mol = mass/ 138.21 gmol

mass = 0.25mol x 138.21 gmol

mass = 34.5525 g

mass = 34.55 (2dp) g

Answer Link

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