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patiomagnesium sulphate crystals (MgSO,.7H,O) can be dehydrated by heating. Calculate the percentage by mass of water present in the molecule.

patiomagnesium sulphate crystals (MgSO,.7H,O) can be dehydrated by heating. Calculate the percentage by mass of water present in the molecule.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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their relative molecular or relative formula masses: Chemistry-A Course for 'O' Level Name these chemical compounds and calculate (f) NH,CI; Ag) Al(OH),; Ah) Fe,(SO,)3 (i) CuCO; 18. Balance these che la) ZCO (a) SO; (b) HNO; Je Na,SO,; (d) BaSO,; (e) NH,; (b) (NHJSO (O ALSOJ, laq GY NH,NO, (d) Cu (s) + HS dehydrated by heating. Calculate the percentage by mass of water present in the molecule. (e) Al(OH), (s Which of the following fertilisers contains the greatest proportion by mass of the element nitrogen? (a) ammonium sulphate, (NH,),SO; 106/ (b) urea, NH,CONH,; 32% (c) ammonium nitrate, NH NO; (d) hydrazine, N,H,. 19. Rust, chemi large ship, Calculate many kil 20. A sam sulphi mine substance (a) 15. Calculate the empirical form Abdul Hann which, on analysis, is found shot on motore ain: 50% water
Transcribed Image Text:their relative molecular or relative formula masses: Chemistry-A Course for 'O' Level Name these chemical compounds and calculate (f) NH,CI; Ag) Al(OH),; Ah) Fe,(SO,)3 (i) CuCO; 18. Balance these che la) ZCO (a) SO; (b) HNO; Je Na,SO,; (d) BaSO,; (e) NH,; (b) (NHJSO (O ALSOJ, laq GY NH,NO, (d) Cu (s) + HS dehydrated by heating. Calculate the percentage by mass of water present in the molecule. (e) Al(OH), (s Which of the following fertilisers contains the greatest proportion by mass of the element nitrogen? (a) ammonium sulphate, (NH,),SO; 106/ (b) urea, NH,CONH,; 32% (c) ammonium nitrate, NH NO; (d) hydrazine, N,H,. 19. Rust, chemi large ship, Calculate many kil 20. A sam sulphi mine substance (a) 15. Calculate the empirical form Abdul Hann which, on analysis, is found shot on motore ain: 50% water
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