Question

Question Completion Status: QUESTION 10 A hydrate of magnesium sulfate has a mass of 13.52 g. This sample is heated until no water remains. The anhydrate has a mass of 6.60 g. Find the formula of the hydrate and the % mass of water. All calculations must be clearly shown. Periodic Table of the Elements 18 H 1.01 2 14 Be 9.01 12 He 13 15 16 17 LDO 10 B C N OF Ne 10.01 12.01 14.01 16.00 2018 15 16 17 18 Al Si P S Cl Ar 26.10 21.00 10.97 33.95 31 34 35 11 Na Mg 201 3 5 9 10 11 12 22.99 19 20 21 22 23 24 27 36 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr HN SS. 23.10 37 38 44 Rb Sr Nb Mo Tc Ru Rh Pd Ag Cd 81.47 496 47. 50.94 51.99 40 41 02 Y Zr 11.1 91.22 12-31 95.95 57-71 72 73 74 Hf Ta W 176.40 180.95 1.4 89-103 104 105 105 9491 75 101.01 76 105.42 78 55 56 77 63.55 72.43 74.92 78.97 73.90 50 51 54 In | Sn | Sb | Te ||| Xe 1077 112.41 11871 12 1276 131.29 79 84 85 TI Pb Bi Po At Rn 196.87 200.50 20038 2072 2011. 200.101 200.00 111 112 113 115 117 Rg Cn Nh Fl McLv Ts Og 1280 2851 286) Cs Ba Re Os Ir Pt Au Hg 132.91 137.33 192.22 19.09 109 110 Mt Ds 16.21 110.27 107 100 Bh Hs 1264 12091 Fr Ra Rf Db Sg 221.02 226.00 p2611 2021 Chick Save and submit to save and submit. Click Save AK Answers to save all answers. Save AA

Answer 1

Let the formula of hydrate of Magnesium sulphate be Mg Soy xH, о anhydrate My Soy x H, о Heat Mg Soul x 1, о no. of moles 01 , ѕо, жно о 18. 52 ч+32 Tч х16+ 18 Mg Soulst тр - = 6. Со Mg sou (anhydrou) mole of 12 O у (Plar (Molar mass My Soy, RM₂0 mass of My sou 1 moto My Sov - яң, о к. 1 от 1 М, So4 mole of My Soy . kho gives 13.52 mole of My sou (3, S2 120+1х ( 20 + 1.0 x So 13, 2 6. Со 120 * 187 (2 6 16 22 Ч с +92 +}} 8 8 x исс, 98 - 7 rus, formula of hyderate of My sou is MgSO4.7H₂O