A. 4.0g
B. 10.0g
C. 40.0g
D. 100.0g
Correct Answer:
Option A – 4.0g
If the solubility of KHCO3 is 0.40 mole dm‾³ at room temperature, calculate the mass of KHCO3 in 100dm³ of the solution at this temperature. [KHCO3 = 100gmol]
![Calculate the mass of chlorine gas which occupies a volume of 1.12 dm³ a volume of 1.12 dm³ at s.t.p [Cl = 35.5, 1 mole of gas occupies 22.4 dm³ at s. t. p ]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Calculate the mass of chlorine gas which occupies a volume of 1.12 dm³ a volume of 1.12 dm³ at s.t.p [Cl = 35.5, 1 mole of gas occupies 22.4 dm³ at s. t. p ]")
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