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Effect on Indicators by Acids and Bases

Which of the ...

Question

Which of the following is heaviest?

A

25 g of Hg

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B

2 moles of

H_{2} O

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C

2 moles of

C O_{2}

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D

4 g atom of

O_{2}

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Solution

The correct option is C 2 moles of $C O_{2}$
Comparing the weights of given options $C O_{2}$ would weight the
The molar mass of $C O_{2}$ is about 44 g/mol, so 2 moles would weigh 88 grams

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Similar questions

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C_{2} H_{x}

C O_{2}

H_{2} O

3

O_{2}

140

C_{2} H_{x}

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Q. Calculate the value of following expression.

M (H_{2}) \times (M (O_{2}) / M (H_{2} O))

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= moles in 24 g

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M (H_{2} O)

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Q. Some data related to mole concept at STP is given. Complete the table.

a)	64 g $O_{2} \Rightarrow$	................. moles of $O_{2}$
b)	11.2 L $N H_{3} \Rightarrow$	.................... g of $N H_{3}$
c)	9.8g $H - 2 S O_{4} \Rightarrow$	................ moles of $H_{2} S O_{4}$
d)	5 mole $C O_{2} \Rightarrow$	................ L of $C O_{2}$

[Atomic Mass O= 16; N = 14; H = 1; S = 32; C = 12]

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