Question

KHCO³ is contaminated with K²CO³ as impurity. If 2.5g of the impure KHCO³ on heating produces 0.224dm³ if CO² at s.t.p, calculate the percentage of K²CO³ impurity?

Aug 24, 2019

bobpursley

Since when does potassium carbonate decompose when heated?

Aug 24, 2019

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A mixture containing KCLO3, K2CO3, KHCO3, and KCL was heated, producing CO2, O2, and H2O (water) gas... How many grams of CO2 would be produced from the following reaction sequence? HI + KHCO3 -> KI + H2... @DrBob222 I am stuck, x=1.590 g of k2CO3=> x+y=2.118 1.590+y=2.118 => y=0.528 g of KHCO3 then 0....