someone help me please, this questions are hard, please address all rhe questions and not answer just one and ignore the rest like so many tutors do, please

here, looks better

5. During the Diels-Alder reaction, you had to remove excess maleic anhydride. Which of the techniques did you use to remove the excess maleic anhydride? a. Simple distillation b. Drying with a drying agent c. Extraction with water d. Recrystallization e. Vacuum filtration 6. Which of the following should you NOT DO while wearing gloves used in a laboratory exp a. Weigh out chemical for a reaction. b. Rinse dirty glassware with acetone. c. Prepare a capillary tube for taking a melting point. d. Touch your cell phone. e. Set up a reflux condenser column. 7. Silica gel plates are commonly used for thin layer chromatography (TLC). What is the co to describe the silica gel plate? a. Mobile phase b. Solid phase c. Polar phase d. Reverse phase e. Solution phase 8. A certain reaction uses 35 mL of 7.5% (w/v) sodium carbonate solution. The molar mass carbonate is 105.988 g/mol. It has a melting point of 851C. How many moles of sodium are used in the reaction? a. 0.025 mol b. 2.6 mol c. 7.5 g d. 0.044 mol e. 280 mol Is-Alder reaction, you had to remove excess maleic anhydride. Which of the following you use to remove the excess maleic anhydride? tillation na drying agent with water zation Eration Sllowing should you NOT DO while wearing gloves used in a laboratory experiment? chemical for a reaction. glassware with acetone. capillary tube for taking a melting point. r cell phone. eflux condenser column. es are commonly used for thin layer chromatography (TLC). What is the correct term e silica gel plate? ase e e mase hase tion uses 35 mL of 7.5% (w/v) sodium carbonate solution. The molar mass of sodium 05.988 g/mol. It has a melting point of 851C. How many moles of sodium carbonate e reaction? 5. During the Diels-Alder reaction, you had to remove excess maleic anhydride. Which of the following techniques did you use to remove the excess maleic anhydride? a. Simple distillation b. Drying with a drying agent C. Extraction with water d. Recrystallization e. Vacuum filtration 6. Which of the following should you NOT DO while wearing gloves used in a laboratory experiment? a. Weigh out chemical for a reaction. b. Rinse dirty glassware with acetone. c. Prepare a capillary tube for taking a melting point. d. Touch your cell phone. e. Set up a reflux condenser column. 7. Silica gel plates are commonly used for thin layer chromatography (TLC). What is the correct term to describe the silica gel plate? a. Mobile phase b. Solid phase c. Polar phase d. Reverse phase e. Solution phase 8. A certain reaction uses 35 mL of 7.5% (w/v) sodium carbonate solution. The molar mass of sodium carbonate is 105.988 g/mol. It has a melting point of 851C. How many moles of sodium carbonate are used in the reaction? a. 0.025 mol b. 2.6 mol c. 7.5 g d. 0.044 mol e. 280 mol