,What is the other substance, if any, that remains in the resultant mixture? Join now. Magnesium dinitrate reacts with alkali metal hydroxide to produce the following: Mg(NO 3) 2 + 2 NaOH → Mg(OH) 2 + 2 NaNO 3. Log in. If the relative molecular mass of ammonium nitrate is 80, calculate the percentage of nitrogen and oxygen in ammonium nitrate. Find the total percentage of oxygen in magnesium nitrate crystals : Mg(NO3 )2 . Write the simplest ionic equation, including state symbols, for any reaction that ... Identify the white precipitate and calculate the percentage, by mass, of magnesium ... added separately to aqueous magnesium sulfate and to aqueous magnesium nitrate. Magnesium atoms are heavier than oxygen atoms, so we expect more than 50% of magnesium in the weight composition. asked Feb 28, 2019 in Chemistry by Anjal (76.7k points) mole concept; stoichiometry; ... Find the total percentage of oxygen in magnesium nitrate crystals : Mg(NO3 )2 . [2] (iii) Find the total percentage of Magnesium in magnesium nitrate crystals, Mg(NO 3) 2.6H 2 0. You are given the three white powders calcium carbonate, lead carbonate and zinc carbonate. Calculate the volume of ammonia produced. (Total 7 marks) Q6. 1 answer. (iii) Find the total percentage of oxygen in magnesium nitrate crystals: Mg(NO 3)2.6H 2O. Magnesium oxide has formula MgO (that is, #Mg_1O_1#). 1. (H = 1 , N = 14 , O = 16 , Mg = 24) Question 1 [5] (f) You are given the three white powders calcium carbonate, lead carbonate and zinc carbonate. iii. Log in. Find the total percentage of Magnesium in magnesium nitrate crystals, Mg(NO3)2. asked Feb 28, 2019 in Chemistry by Anjal (76.7k points) mole concept; stoichiometry; icse; class-10; 0 votes. Magnesium nitrate has a high affinity towards water. Therefore, 1 mole of magnesium nitrate has a mass of 148.3148g. 6H2O. 6H2O. Find the total percentage of oxygen in magnesium nitrate crystals: Mg(NO3)2.6H2O. Ask your question. Magnesium nitrate Reactions. Join now. 6H2O Atom percent gives the percentage (contribution) of one atom species in the total number of atomic species present i.e. Therefore, heating it results to decompose into magnesium oxide, nitrogen oxides, and oxygen. Click here👆to get an answer to your question ️ A quantity of 0.2 g of an organic compound on combustion yielded 0.147 g CO2 and 0.12 g water. Using the same principle, 1 mole of oxygen, nitrogen, and magnesium all have masses equal to their molar mass. Describe the tests you would carry out in solution to identify the metal in each of the above compounds. [2] (ii) The mass of 5.6 dm 3 of a certain gas at STP is 12.0 g. Calculate the relative molecular mass of the gas. The percentage of oxygen in it is . Describe the tests you would carry out in solution to identify the metal in each of the above compounds. This means that in every sample of this substance there is the same number of Oxygen and Magnesium atoms.. 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