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

User Zerodiff
by
4.3k points

2 Answers

5 votes

Answer:

jug

Step-by-step explanation:

User ManueGE
by
4.5k points
4 votes

Answer:

34.55 g

Step-by-step 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

User Caglar
by
4.4k points
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