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3 years ago

6

URGENT PLEASE HELP! Given 3.4 grams of x element with a molar mass of 24 g/mol and 4.2 grams of y element with a molar mass of 3

5 g/mol. How much of compound xy2 can be generated?
x + 2y -> xy2

1 answer:

irakobra [83]3 years ago

7 0

4.4 g XY

I'm not sure but that's the closest I can get or try

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Ivanshal [37]

Answer:

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3 years ago

What mass of potassium chloride, KCl, is produced when 12.6 g of oxygen, 02, is produced?

blagie [28]

Mass of KCl= 19.57 g

<h3>Further explanation</h3>

Given

12.6 g of Oxygen

Required

mass of KCl

Solution

Reaction

2KClO3 ⇒ 2KCl + 3O2

mol O2 :

= mass : MW

= 12.6 : 32 g/mol

= 0.39375

From the equation, mol KCl :

= 2/3 x mol O2

= 2/3 x 0.39375

=0.2625

Mass KCl :

= mol x MW

= 0.2625 x 74,5513 g/mol

= 19.57 g

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iVinArrow [24]

Answer:

See explanation

Explanation:

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