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15 .JUJAU . TIUW Tally all115 al Lullal ICU H Y UI UC Ivia55 UI UIO DIUINI UI di UIDMI element of A? From 200mg of CO2, 102 molecules are removed. How many moles of CO2 are left? Find the charge in coulomb on 1 g ion of Nº Calculate the ratio of no. of oxygen atoms present in 3.2 mg of SO2 to the no. of Satoms present in

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Similar Questions

Q1

From

200 mg

of

C O_{2}

,

10^{21}

molecules are removed. How many moles of

C O_{2}

are left?

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Q2

From

220 mg

of

C O_{2}

,

10^{21}

molecules are removed. How many moles of

C O_{2}

are left?
Take

N_{A} = 6 \times 10^{23}

.

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Q3

From

200

mg of

C O_{2}

,

10^{21}

molecules are removed. How many moles(in order of

10^{- 3}

) of

C O_{2}

are left?

[Round off to nearest integer]

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Q4

a flask contains 4.4g CO2 gas .calculate

how many moles of CO2 gas does it contain?

how many molecules of CO2 gas are present in the sample ?

how many atoms of oxygen are presnt in the given sample ?

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Q5

calculate the no of oxygen atoms present in 4.4 g of CO2

View Solution