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Titrate 25.00mL of a solution of HCl with a standardized solution of NaOH that has a molar concentration of .128M. The titration requires 32.75mL of the standardized NaOH solution to reach the endpoint. Explain what is the Molar concentration of the hydrochloric acid solution?
A 97 gram solution of silver nitrate contains 10 grams of AgNO3. What is the percent by mass of silver nitrate in this solution. Answer in units of %
if a 210 mg piece of gold density 19.32 rm grm cm3 is hammered into a sheet measuring 2.5times1.0 rm ft what is the
find deltah for the freezing of water at -8.00 degrees celcius. the specific heat capacity of ice is 2.04 jg. c and its
A typical single drop of liquid water has a volume of approximately 0.05 mL. Assuming the density of liquid water is 1.0 g/mL, how many moles of water are in one drop of liquid, and what volume would this amount of water occupy when vaporized at 1..
How much potassium nitrate has to dissolve in water to absorb 118 kj of heat? Lattice E is -163.8kcal/mol and heat of hydration is -155.5 kcal/mol.
gold bars are plated from an aqueous solution of gold chloride (AuCl3) by using a current of 50 Amperes. With this current, how long would it take to plate out a 1 pound bar of gold worth almost $ 25,000? 453.59 grams weigh a pound.
Which of the following reactives works for separating metalic ions in an aqueous solution that conatins Fe(NO3)3 and AGNO3? Explain the reason for choosing it.
Sketch all steps of synthesis of each of the subsequent compounds using only the organic starting material given plus any organic/inorganic reagents.
A sample of ammonia, NH3, contains 3.3 x 1021 hydrogen atoms. How many moles of nitrogen atoms are in this sample
What mass of KBr is needed to prepare 325 mL of 0.750M? How many mL of 2.50M KBr is needed to prepare this same solution
The contents of one 80. lb bag of topsoil will cover 30. square feet of ground to a depth of 1.7 in. What number of bags are needed to cover a plot that measures 600. by 700. m to a depth of 1.5 cm.
What is the change in the boiling point of a solution made by dissolving 14.7 g of C6H12O6 into 150ml of water? The density of water is 1.00 g/ml and Kb=0.512 C/m .
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