The SI base unit for amount of substance is the mole. Nike 'just getting started' after wowing investors IIwintermuteII. Structure, properties, spectra, suppliers and links for: Magnesium hydroxide, 1309-42-8, 1317-43-7, 1909-42-8, Magnesia, [Milk of]. molecular weight of Magnesium Hydroxide or grams The molecular formula for Magnesium Hydroxide is Mg(OH)2. Consider the mass of Mg(OH)2. I hope this helps! Source(s): My paper & pencil. 1 decade ago. Magnesium Hydroxide is a solution of magnesium hydroxide with antacid and laxative properties. 1 mole is equal to 1 moles Magnesium Hydroxide, or 58.31968 grams. First person to put the correct answer with explanation of work gets a best answer! Note that rounding errors may occur, so always check the results. 8 Answers. Ammonium persulfate (APS, from Junsei Chem. were purified before use. Calculate the formula weight (in amu) and molar mass (in g/mol) for magnesium hydroxide, Mg(OH)2. In this case, that is ((mass of oxygen)/(mass of magnesium hydroxide)) x 100. O = 2(16.00) H = 2(1.01) Formula Weight = 24.31 + 2(16.00) + 2(1.01) = 58.32 amu. %O = (32.00 g/58.33 g) x 100 = 54.86. 0 0. Relevance. Woman arrested after driving car into Calif. protest. Molar mass of barium hydroxide, Ba(OH)2 = 171.3Amount of barium hydroxide = mass of sample / molar mass = 317.0/171.3 = 1.85mol Molar Mass Of Magnesium from gas … Lv 4. Mg = 24.31. Use this page to learn how to convert between moles Magnesium Hydroxide and gram. Molar Mass is the … Erika. Milk of magnesium exerts its antacid activity in low doses such that all hydroxide ions that enter the stomach are used to neutralize stomach acid. Lv 4. Mg: 1 x 24.31 g = 24.31 g. O: 2 x 16.00 g = 32.00 g. H: 2 x 1.01 g = 2.02 g ===== Mg(OH)2 = 58.33 g. Recall that percent, in general, is given by (part/whole) x 100. The molar mass of a substance, also often called molecular mass or molecular weight (although the definitions are not strictly identical, but it is only sensitive in very defined areas), is the weight of a defined amount of molecules of the substance (a mole) and is expressed in g/mol. Magnesium hydroxide (provided from Skynics), with average particle size of 50 nm, was dried at 110°C under vacuum for 24 h prior to use. 3-(Trimethoxysilyl) propyl methacrylate (γ-MPS, from Sigma-Aldrich) and methyl methacrylate (MMA, from Junsei Chem.) Answer Save. Favourite answer.