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Write the total ionic and net ionic equations for the following reaction if any that occurs when aqueous solutions of the following are mixed.
Ammonium Sulfate and Barium nitrate.
How to calculate the ratio of the masses of the buffer components required to make the buffer? m(NH3) / m(NH4Cl) ph= 9.00
What is the density of a block of marble that occupies 253 cm3 and has a mass of 752 g?
If someone gave you a sample of metallic element, explain what physical properties might you use to identify the element? Presume you have a reference such as the handbook of chemistry and physics that lists physical properties of the elements.
at a fixed temperature equal moles of so2 g and o2 g are mixed in a constant pressure container the volume of the
A 0.682 g sample of an unknown weak monoprotic organic acid, HA was dissolved in sufficient water to make 50 milliliters of solution and was titrated with a 0.135 molar NaOH solution.
A buffer solution is prepared by dissolving 0.35 mol of NaF in 1.00 L of 0.53 M HF. Which of the following is true about the chemicals in solution?
Problem- In a qualitative analysis procedure, a chemist adds HCl to an unknown group of ions and then saturates the solution with H2S so that the solution is 0.2 M in HCl and 0.10 M in H2S. (a) What is the [HS -] of the solution
Hydrogen and oxygen react vigorously to form water. If 120 hydrogen molecules are reacted with 200 oxygen molecules in a closed container define how many hydrogen, oxygen and water molecules will remain after the reaction is complete
This was a question on my Mastering Chemistry homework. It's from Tro's Cha: Determine the pH of the following two-component solution: 0.260 M NH4NO3 and 0.102 M HCN
Determine the rat of consumption of O2 if the initial concentration of NH3 was 0.6719 M and decreased to 0.5827 M after 0.3883 hours
60.0 mL portion of of 1.70 M solution is diluted to a volume of 288 mili litres. A 144-mili litres portion of that solution is diluted using 115 mLili litres of H2O. Determine the final concentration.
Describe solids, liquids, and gases in terms of how they fill a container, Use your descriptions to identify the physical state ( at room temperature) of the following: 1.helium in a toy balloon. 2. mercury in a thermometer. 3. soup in a bowl
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