- Q1 What Volume Of 0 20 M Of Sulfuric Acid H2so4 Is Needed To Neutralize 1 84 G Of Sodium Hydroxide Naoh 2naoh Aq H2s 1 (32.55 KiB) Viewed 102 times
Q1. What volume of 0.20 M of Sulfuric acid H2SO4 is needed to neutralize 1.84 g of Sodium Hydroxide NaOH 2NaOH(aq) + H2SO4(aq) Na2SO4(aq) + 2H20 a) 115.0 ml b) 84.3 ml c) 93.8 ml d) 60.4 ml e) 75.3ml Q2. All the following are strong acids except: a) HCI b) HCN HNO: d) HCIO e) HI 15: Q3. The sum of coefficients of the product in the balanced equation in basic solution Cl2 + Cr(OH) ci + CrO2- a) 12 b) 14 c) 16 d) 13 Q4. What is the molarity of 68.3 % by mass of NaNO; aqueous solution (density of solution = 1.4 g/ml) 11 a) 8.65 M b)11.25 M c) 16.36 M d) 14.81 M e) 13.49 M Q5. The mole fraction of an aqueous solution of Na2CO: is 0.12. Find the molality of the solution a) 4.43 m b) 11.25 m c) 8.85 m d) 7.57 m e) 3.65 m Q6. A gas has a solubility of 1.4x10 "Mat 330 mm Hg. What will be its pressure when the solubility changes to 6.45x 10 M a) 846 mmHg b) 957 mmHg c) 1520 mm Hg d) 730 mmHg e) 348 mmHg