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What is the pH of a 5.5 x 10° M HBr solution?
13 The pH of an acidic solution is 2.11. What is [H]? 0 of 1 point earned 5 attempts remaining The pH of a basic solution is 9.77. What is [OH]?
Tenimeds took samencanlarida sa ad nen ainsan lain Mixture>> 250 mL beaker + mixture De asegantio o baitcainios. 115.838 9 250 ml beaker, biva tolak 3.535 9 Mass of mixturezaria ni zaled 201303 9 eve gast bas atnoiule s 159lo wod (bilos von mol) portrait aills to b Iron 100 mL beaker + iron 48.879 balben cenu 10 11 100 mL beaker + salt 100 ml beaker a 53 695 9 52.43 9 100 ml beaker 48.77 9 Mass of ironde di sonsbile per 10 25 guals i Mass of salt wil die abg ind 26 g paven nader el guardo bru: dood Mass of sand = mass of mixture-mass of iron-mass of saltinution madan 1011 abdixol go on this pagh bogoviy i Mass percent iron = (mass of iron/mass of mixture) x 100% af text Mass percent salt (mass of salt/mass of mixture) x 100% sit sonsten at L Mass percent sand-(mass of sand/mass of mixture) x 100% alodal beon or basm pela lliw noY lumront woll Observations of each component of the separated mixture: Original Mixture Separated Separated Sand Separated Salt noite 51 strax uoivdo as de Iron. sand is grey Small, grainy, dark, grainy, suver white Solidao asiti daid to Multicolor rocks, white, thin gamp, darker layer, crystallized, Solid. 1302/12 MOLOT Salt
Calculations 19. Determine the mass of the iron and salt from your recorded measurements. Calculate the mass of the sand in the original mixture. 20. Determine the mass percent of each component of the mixture.
Questions 1. What is the difference between a mixture and a compound? 2. How could you separate a mixture of (if needed, look up the physical properties of the compounds). a) sugar and water b) sugar and iron c) CO2 and O2 3. How well did you accomplish your purpose? How pure would you say the components are now? Would you let your kids play in that sand? I