Shalom! I must say again this website is a very helpfull tool. I need your help again!

There is a stoichiometry problem on my review

How many moles of KCL are formed by decomposing 0.50 moles of KClO_{3}?

Given: 2KClO_{3} ------> 2KCl + 3O_{2}

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a. 1.00 b. 0.25 c. 0.50 d. 0.75 e. 0.125

I keep getting .30

I am getting 245/.5 = 149/X then getting .304

but the answer isnt there! Perhaps I have my formula weights wrong?

I was sure I got this right:

What weight of O_{2} can be produced from 61.3 grams of KClO_{3}?

Given : 2KClO_{3} ----------> 2KCl + 3O_{2}

a... 8.10 g b. 32.2 g c. 27.9 g d. 3.15 g e. 24.0 g

I got E