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  • Number of grams of bromine that will completely react with 5.0 g of pent-1-ene is _________<img alt="\times 10^{-2} \mathrm{~g}." src="https://entrancecorner.oncodecogs.com/gif.latex?%5Ctimes%2010%

Number of grams of bromine that will completely react with 5.0 g of pent-1-ene is _________\times 10^{-2} \mathrm{~g}.

\text { (Atomic mass of } \mathrm{Br}=80 \mathrm{~g} / \mathrm{mol} \text { ) } [Nearest integer]

Option: 1

1143


Option: 2

-


Option: 3

-


Option: 4

-


Answers (1)

best_answer

The reaction is

1 mole of pent-1-ene reects with 1 mole of \mathrm{Br}_{2}

\begin{aligned} &\text { Now, moles of Alkene }=\frac{5}{70}=\text { moles of Br}_{2}\\ &\therefore \text { Mass of Br} _{2}=\frac{5}{70} \times 160\\ &=11.43 \mathrm{~g}\\&=1143 \times 10^{-2} \mathrm{~g} \end{aligned}

Hence, the answer is 1143

Posted by

Devendra Khairwa

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