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Answered 2016-02-25 08:10:51

Structure for this is K2Cr2O7. there are 14 moles of O in 2 moles.

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Answered 2015-07-12 16:03:12

The answer is 224 g oxygen.

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224 grams of Oxygen will be in 2 moles of Potassium dichromate.


The formula for potassium dichromate is KËÃCrËÃOËÈ. How many grams of oxygen will be in 2 moles of potassium dichromate?


In one mole of potassium dichromate, there seven moles of oxygen. This means in two moles of K2Cr2O7, there are 14 moles of O, or 7 Moles of O2, which equals 224 grams.


224 g are in two moles of potassium dichromate.




1,2 kg of potassium dichromate are equivalent to 4,079 moles.


The chemical formula for potassium dichromate is K2Cr2O7. In one formula unit of K2Cr2O7 there are 7 oxygen atoms. Thus in 2 mol of K2Cr2O7 there would be 7(2)=14mol of oxygen atoms.


You take 0.05 moles of potassium dichromate and dissolve it in a liter of water. Or, alternatively, 0.1 moles of potassium dichromate and dissolve it in two liters of water. (Properly speaking, you should dissolve it to make one or two liters of solution, but the difference is going to be negligible).


16 grams of oxygen how many moles is 0,5 moles.


You did not describe the amount of potassium bicarbonate amount in grams in your question. But if you are about 1 gram of potassium bicarbonate it will be 0.0099 moles in one gram of potassium bicarbonate. 0.0199 moles in 2 grams of potassium bicarbonate.


2 KClO3 ----> 2KCl + 3O2 So 2 moles of Potassium Chlorate produces 3 moles of oxygen molecules or 6 moles of oxygen atoms. 3 moles of Potassium chlorate would thus produce 4.5 moles of oxygen molecules or 9 moles of oxygen atoms.


34,7 moles of potassium 1 356,7 g.


Atomic mass of potassium, K = 39.1 Amount of potassium is 156.4g sample = 156.4/39.1 = 4.00mol There are 4 moles of potassium in 156.4 grams of potassium.


320 grams of oxygen is the equivalent of 10 moles.


You have2KClO3 ==> 2KCl + 3O2 as the balanced equation 25 g KClO3 x 1 mole/123 g = 0.20 moles moles KCl formed = 0.20 moles KClO3 x 2 moles KCl/2 moles KClO3 = 0.20 moles KCl formed grams KCl = 0.20 moles x 74.5 g/mole = 14.9 g = 15 grams of KCl formed


12.8 grams oxygen (1 mole O/16.0 grams) = 0.800 moles of oxygen


3.3 moles of potassium sulfide is equal to 363,86 g.


50 g potassium iodide is equivalent to 0,3 moles.


The mass in grams of 3 moles of oxygen atoms is 48.



The amount of grams in two moles depends on the element or compound that you have two moles of. For example, the molar mass of oxygen is about 16 grams. So two moles of oxygen would be about 32 grams.


25,3 moles of potassium sulfate hva a mass of 4,4409 kg.


50 g potassium chloride is equivalent to 0,67 moles.



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