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An ingestion tablet contains a mass of 0.30 g of magnesium hydroxide [Mg(OH)2] as its only basic ingredient. The balanced chemical equation between magnesium and hydrochloric acid (HCl(aq)), the acid produced in the stomach is as follows:
Mg(OH)2(aq) + 2HCl(aq) ⟶ MgCl2(aq) + 2H2O(l)
i)Calculate the volume of 1.00 M HCl neutralised by two of these ingestion tablets?
ii)What mass of the salt is formed in this neutralisation reaction?
How many magnesium ions are present in this amount of a salt?
A system absorbs 50J of heat during a transformation. Determine the change in internal ener the system perform, (a) 15J and (b) 65J of work on the surrounding.
1. What is the molecular mass of a non-electrolyte solute in a solution that contains 0.6kg of sol 200g of benzene with a freezing point equal to 5.4°C? The freezing point of pure benzene is 5.5 The freezing point constant of benzene is 5.12°C.
Sodium chloride is often used to prevent icy roads and to freeze ice cream. What are the boiling and freezing points of a 0.029m aqueous solution of sodium chloride? (i = 2)
Identify all possible products when the tripeptide Ala–Ala–Val undergoes complete hydrolysis
Identify all possible products when the tripeptide Ala–Ala–Val undergoes partial hydrolysis
givin the reaction:
Mg (s) + 2HNO3(aq)
which tempurature will the reaction occur at the greatest rate?
Forty eight grams of carbon is added and reacted to 134grams of oxygen to produce Carbon dioxide. Find (a) the balance chemical equation (4points), (b) the mass of the product (4points), (c) the limiting reactant (4points), (d) the mass of excess reactant not used in the reaction (6points). Write the complete formula and solution for each problem.You can use a separate sheet if needed. Use whole numbers only.
Forty eight grams of carbon is added and reacted to 134grams of oxygen to produce Carbon dioxide. Find (a) the balance chemical equation (4points), (b) the mass of the product (4points), (c) the limiting reactant (4points), (d) the mass of excess reactant not used in the reaction (6points). Write the complete formula and solution for each problem.You can use a separate sheet if needed. Use whole numbers only.
In the commercial preparation of hydrogen chloride. what weight of HCl in grams may be obtained by heating 468 grams of NaCl with H2SO4?
2NaCl + H2SO4 = NaSO4 + 2 HCl
