Question

Arrange the following in order of increasing masses :(i) 0.1g atom silver
(ii) 0.1 mole of H2SO4

III) 10 to the power of 23 molecules of CO2gas

(iv) 1 gram of carbon

(v) 10 to the power of 23 atom of calcium

(Atomic masses : Ag =108 u ,N=14u ,S=32u ,Ca=40u)

Experts, please solve the question by specific formulae and please solve it only with help of specific formulae. Plzzzzzzzzzz...........

Answer 1

1)mole=0.1

weight=mole x molar weight=0.1 x 107.87=10.787g

2) weight of H2SO4=0.1 x 98=9.8 g

3) mole =no of molecule/6.023 x 10^23

=10^23/6.023 x 10^23=1/6.023

weight of CO2= mole x molar weight

=1/6.023 x 44=7.3 g (approx)

4) weight of carbon=1g

5) mole =1/6.023

weight =mole x molar weight

=1/6.023 x 40=6.67 g (approx)

now increasing order of their masses:-

(4) < (5) < (3) < (2) <(1)

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