b) 4.5gC) 0.025gd) 5.6g8) Molarity (5g) of NaOH dissolved in 120 ml of solution the molar is :a) 0.75Mb) 1. 04Mc) 1.25Md) 0.5M .9) How many grams of AlCl3 (9) should be dissolved, to prepare 1 liter of a solutionin which the concentration of Clions 0.6M?(ая)a) 240.3 gramsb) 80.1 gramsc) 26.7 gramsd) 41.1 grams .10) For the following reaction:2A + 3B2 → 2AB3Atomic a Weights A = 27 & B = 35.5The number of grams of AB3 consisting of (12g) interaction of B2 :a) 26.2gMolecular weight AB3133.5 g molb) 15.04gc) 20gd) 31.4gE Focusnglish (United States) 5) For the following reaction:I2 (g) + H2 (g) –→ 2HI (g)If the amount consumed from (I2) according to the above reaction is (50.8g) and theactual yield of HI is (40g) then the percentage yield of (HI) is equal to :a) 78.125%b) 15.625%c) 63.341%d)39.06% .6) The remaining mass of (92g) of HNO3 if reacted with (24g) of LiOH accordingto the equation:HNO; + LIOH → LINO3 + H2 Oa) 46b) 29c) 2d) 117) The mass of potassium hydroxide (KOH) to be dissolved in (100 ml) of water toobtain a solution of 0.25M concentration is:a) 1.4gb) 4.5gc) 0.025gd) 5.6g .

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World of Chemistry

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ISBN:9780618562763

Author:Steven S. Zumdahl

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Chapter9: Chemical Quantities

Section: Chapter Questions

Problem 55A

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8) Molarity (5g) of NaOH dissolved in 120 ml of solution the molar is : a) 0.75M b) 1. 04M c) 1.25M d) 0.5M .