Question

The following data were obtained when a hydrate was heated: crucible +sample 31.781 g 30.501 g empty crucible crucible + sample after heating 31.100 g 1. Calculate the % water in the hydrate. SHOW WORK. 2. Decide whether the sample was BaCl 2H20 or MgCl 6H2O by calculating the theoretical % water in each compound and comparing to your answer in #1. SHOW WORK. Formula weights: 95.218 g/mole MgCl2 208.25 g/mole BaCl2 НаО 18.0153 g/mole 89

Answer 1

PaNo-o Answer8- Given, sample - 31-81g Crucible Empty CAuoble Couci bla Sampla aftu hoobrg ,w3- 31100 g 30 Sol g weight of tReSample befoe heotirg en by 3181- 30 So । 280 १ Sample ft headig is gian by 30.Solg 31-100 = 0.599 Bhaating ata is lo. So, ta los in ei^ht is due to eight af no is gen b mam mous ০S१৭ १ 0-6819 weight ofnt in ta Sample maus (ntu Pelartog ofnta in ta Sample is mus of sample befre atint

Poge No- o 68 53 3 te Sample is 53.1' Penantoge of wata in (0) T Sanple a Вас, 24,0 о д 64,0. Holor Has ваи, 2н,о is 208.25 glnol (2x 8 0I53)g/nol eau 2H20is 9mo 36-0306g lol Quu2rg Imo hch dos not atch ta '/. af atu in a Sample Нos af tgc6tg0 3 Holarn a03-21mo 6 I.0IS3o loo 03.31g mol 203-31g1m tho ample ..Ta ample is Hgu 64,0