EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 1 - Stoichiometry (Mole Concept)>TS EAMCET - 5 August 2021 Shift 2>Q 7

MEDIUM

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IMPORTANT

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A $90 g$ of ethyl amine on reaction with methyl chloride produced a tertiary amine as an exclusive product. The amount of methyl chloride required is
[Given mass in amu : $H = 1, C = 12, N = 14, Cl = 35.5$ ]

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Important Questions on Stoichiometry (Mole Concept)

EASY

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 1 - Stoichiometry (Mole Concept)>TS EAMCET 2018 (04-May Shift-1)>Q 8

A litre of seawater (which weighs

1030 g

) contains

6 \times 10^{- 3} g

of dissolved oxygen. The concentration of dissolved oxygen in

ppm

is:

EASY

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 1 - Stoichiometry (Mole Concept)>TS EAMCET 2019 (03-May Shift-2)>Q 9

What is the equivalent weight of methanol if one mole of

{CH}_{3} OH

is combusted to form

CO

and

H_{2} O

:

EASY

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 1 - Stoichiometry (Mole Concept)>TS EAMCET 2019 (03-May Shift-2)>Q 10

While combusting in air,

4 g

of

H_{2}

gas was completely converted into water. If

36 μmole

of

{CO}_{2}

from air is dissolved into that water, what is the concentration of

{CO}_{2}

?