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bonufazy [111]
3 years ago
11

What is the chemical formula for potassium oxide

Chemistry
2 answers:
SVEN [57.7K]3 years ago
8 0

Answer:

The chemical formula of potassium oxide is K20

Nataly_w [17]3 years ago
7 0

Answer:

k2o

Explanation:

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A group of students measure the length of a pencil using a metric ruler. The pencil has a known length of 14.2 cm. They record t
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MnO2+ 4HCL--->MnCl2+Cl2+2H2O:
Rainbow [258]
<span>Which reagent will be used up first? Thee answer is HCl.
We need to convert the amounts of the reactants into moles to see the limiting reactant.

48.2 g HCl ( 1 mol / 36.46 g) = 1.32 mol HCl

Since the ration is 1:4 then the limiting reactant is HCl. To react all of the MnO2 we need 3.44 mol HCl.

</span><span>How many grams of Cl2 will be produced? 
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1.32 mol HCl (1 mol Cl2 / 4 mol HCl) ( 70.9 g Cl2 / 1 mol Cl2) =23.4 g CL2
3 0
4 years ago
How many molecules are in a 22.8 gram sample of Methane?
vampirchik [111]
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1.42 mol
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Which of these molecular geometries forms a molecule with a bent shape?
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