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Find the molarity of the solution.
1) How would you prepare 1 liter of .002M Na2S2O3 from a solution which was 0.1 M Na2S2O3? 2) What is the molarity of a solution made by mixing 25ml of 8.0 M HCl with 300 ml of 2.0 M HCl?
A coffee cup calorimeter having a heat capacity of 451 J/ o C was used to measure the heat evolved when 0.0300 mol of NaOH(s) was added to 1000 mL of 0.0300 M HNO 3 initially at 23.000 o C. The temperature of the water r ...
Write the elemental symbol, with charge, for when Aluminum forms an ion and tell whether it is an anion or a cation. Think about whether it gains or loses electrons.
The freezing point of a 1 molar nonelectrolyte such as ethylene glycol is. What is the freezing point in degrees C of a 1.79 molar potassium chloride solution? Calculate the osmolarity of a solution made from a 1.876 % ( ...
Titanium reacts with hydrogen peroxide in 1.00 M sulfuric acid to form a colored complex. If a 2.00x10^-5 M solution absorbs 31.5% of the radiation at 415 nm, what would be: the absorbable, the transmittance, and the per ...
Determine the mass of glucose, C6H12O6(s), needed to produce a 0.150m glucose solution in 50.0mL of C2H5OH(l), density 0.789g/mL
An empty 100-mL measuring cylinder weighs 132.456 g. When filled with rice to the 100-mL mark it weighs 220.345 g. After water has been added to fill the spaces between the grains, the weight is 250.123 g. What is the ...
what is the formula of alcoholic acidity?
Question 1 - State why the second part of each statement is incorrect and correct it. a) Ammonium phosphate is (NH 3 ) 4 PO 4 b) Ammonium hydroxide is ALOH 3 c) Cr(NO 3 ) 3 is chromic(ii) chloride d) ...
What is the sum of all coefficients when the following net ionic equation is balanced using the smallest whole number coefficients possible? Do not forget coefficients of one. MnO 4 - + Mn 2+ MnO 2
1. Reacting molecules or ions in a solution at room temperature are in constant motion and collide. Some collisions lead to formation of product and some don't. what determines a reaction will take place. 2. Is there any ...
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