b) i) Calculate the number of moles of sodium ions In an aqueous solution of 2.63 g of Na,Co, ii) When 5.06 g of Iron reacted completely with 10.65 g of dry Chlorine gas, an Iron chloride was formed. Deduce the equation for the reaction. w .....
b) i) Calculate the number of moles of sodium ions In an aqueous solution of 2.63 g of Na,Co, ii) When 5.06 g of Iron reacted completely with 10.65 g of dry Chlorine gas, an Iron chloride was formed. Deduce the equation for the reaction. w .....
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:b) i) Calculate the number of moles of sodium ions In an aqueous solution of 2.63 g of Na,CO,.
i) When 5.06 g of Iron reacted completely with 10.65 g of dry Chlorine gas, an Iron chloride was
formed. Deduce the equation for the reaction.
c) The molar mass of a volatile liquid can be obtained by converting a weighed amount of it into vapour
and measuring its volume. When 0.135 g of a volatile liquid was injected into a gas syringe at 90 °C, it
foimed S6 cm' of vapour at atmospheric pressure.
State one assumption made to obtain the molar mass of the liquid from such data.
ii)
Deduce the molar mass of the liquid if the molar gas constant is 8.314 IK'mor.
iii)
If some of the liquid evaporated after weighing, what effect will this have on the experimental
value of the molar mass of the liquid?
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