The number of moles of CuO, that will be utilized in Dumas method for estimating nitrogen in a sample of 57.5 g of N, N-dimethylaminopentane is __________ × 10–2. (Nearest integer) N, N-MkbesfFky ,ehu

Question

The number of moles of CuO, that will be utilized in Dumas method for estimating nitrogen in a sample of 57.5 g of N, N-dimethylaminopentane is __________ × 10–2. (Nearest integer) N, N-MkbesfFky ,ehuksa isUVsu ds ,d uewus ds 57.5 g esa] M~;wek fof/k ls ukbVªkstu dk vkdyu djus esa CuO ds eksyksa dh la[;k dk mi;ksx esa vk;sxh] og gS __________ × 10–2. ¼fudVre iw.kk±d esa½

Prashant Kotian · Accepted Answer

Correct answer: .. Moles of N in N,N-dimethylaminopentane = 115 57.5 = 0.5 mol C7H17N + 45 CuO  7CO2 + 17 H2O + 1 N2 + 45 Cu / reacted CuO of moles . no = reacted N H C of moles . no 7  no. of moles of CuO reacted = 45 × 0.5 = 11.25 = 1125 × 10–2

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