How many grams of Na solid are required to completely react with 19.2 L of CI, gas at STP according to the following chemical reaction? Remember 1 mol of an ideal gas has a volume of 22.4 Lat STP. 2 Na(s) + CI,(g) → 2 NaCI(s) TARTING AMOUNT ADD FACTOR ANSWER RESET * ( ) 68.90 22.99 30.4 0.0373 0.857 1.71 1 19.2 22.4 39.4 19.7 6.022 × 1023 35.45 g Cl, L CI, g/mol CI, g Na L Na mol Na mol CI, g/mol Na

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.