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Multiple the moles of K2SO4 by the molecular weight of 174.2592 grams. That should equal 210.85 grams.

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βˆ™ 16y ago
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βˆ™ 7mo ago

To find the number of moles of K2SO4 in 15.0 grams, first calculate the molar mass of K2SO4 (K: 39.10 g/mol, S: 32.07 g/mol, O: 16.00 g/mol).

Molar mass of K2SO4 = 2(39.10) + 32.07 + 4(16.00) = 174.26 g/mol

Now, divide the given mass by the molar mass to find the number of moles:

15.0 g / 174.26 g/mol = 0.086 moles of K2SO4

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βˆ™ 10y ago

Potassium sulfate has a molar mass of 174.259 grams per mole. In15 grams there are then 86.1 millimoles of K2SO4.

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βˆ™ 10y ago

How many moles of ions are in 2.70 mol of K2SO4

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βˆ™ 12y ago

no. of moles = mass in g/mass of one mole

no. of moles = 28.52/174.3

no. of moles = 0.16363 mol (rounded)

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βˆ™ 7y ago

K2SO4 ==> 2K^+ and SO4^2- ions. So, each mole of K2SO4 produces 3 moles of ions.2.40 moles K2SO4 x 3 moles ions/mole K2SO4 = 7.2 moles of ions.

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βˆ™ 13y ago

0.0861 moles

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Q: How many moles of K2SO4 are in 15.0 grams of K2SO4?
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