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Chemistry 8 Online
OpenStudy (anonymous):

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OpenStudy (chmvijay):

do u have any idea on this @adrianajones

OpenStudy (chmvijay):

ur right now u have to find which one is limiting reagent

OpenStudy (chmvijay):

convert 13.4 g of aluminum chloride in to moles and 10 g of sodium hydroxide moles using respective molar mass

OpenStudy (chmvijay):

yup :) and that of NaOH ?

OpenStudy (chmvijay):

AlCl3 + 3 NaOH -> Al(OH)3 + 3 NaCl according to the equation u have balanced 1 mole of AlCl3 needs three moles of the NAOH right

OpenStudy (chmvijay):

so now for 0.1 moles of AlCl3 u need how much of NaOH ?

OpenStudy (chmvijay):

mean it requires 0.3 mole of NAOH but they have given u only 0.25 moles of NAOH right ?

OpenStudy (chmvijay):

lol nope

OpenStudy (chmvijay):

0.1 mole of AlCL3 requires 0.3 moles of NAOH according to this equation AlCl3 + 3 NaOH -> Al(OH)3 + 3 NaCl but what they have givn u in problem is 0.1 mole so AlCL3 and 0.25 mole so NaOH so u have less NaOH than required ? right

OpenStudy (chmvijay):

so which is less in quantity is limiting reagent ?

OpenStudy (chmvijay):

yup :)

OpenStudy (chmvijay):

molar mass of Aluminium hydroxide ?

OpenStudy (chmvijay):

3 mole so NaOH produces = 78 .0036 g of Al(OH)3 0.25 moles of NaOH produces = ?

OpenStudy (chmvijay):

0.25*78 /3

OpenStudy (chmvijay):

lol idk that if u have done properly :)

OpenStudy (chmvijay):

lol 6.5 is right

OpenStudy (anonymous):

no idea................... sorry THINK 6.5 IS THE CORRECT ANSWER .

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