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Calculate the amount of solution (g or mL) that contains each of the following amounts of solute. Express the answer to two sig fiugres and include the appropriate units.
Part A: 5.6g of LiNO3 from a 35% (m/m) LiNO3 solution.
Part B: 45.0g of KOH from a 10.0% (m/m) KOH solution.
Part C: 2.6mL of formic acid from a 19% (v/v) formic acid solution.
Caculations of Glucose. How much glucose is needed to prepare 100.g of a 33% glucose solution 3.5g at glucose 96.3g of H2o
The annual production of zinc sulfide (ZnS) is 3.5 10^4 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal.
A 352-mL container of nitrogen is held at a pressure of 791 mm Hg. What volume container would be lowered to 649 mm Hg?
how does the average kinetic energy of different gases compare when they are at the same temperature?
What is the activity coefficient of H in a solution containing 0.025 M HCl and 0.025 M Ca(ClO4)2?
A mixture of water and graphite is heated to 600 K. When the system comes to equilibrium it contains 0.13 mol of H2, 0.13 mol CO, 0.43 mol of H2O and some graphite
How many grams of LiCl are needed to make a saturate solution with 300 grams of H2O if the molality of the solution is 19.7.
Obtain from a reference work the solubility of silver acetate at 20 degree C. Usually this will be reported in units of grams per 100 mL of water
Gastric juice is made up of substances secreted from parietal cells, chief cells, and mucous-secreting cells. The cells secrete HCl, proteolytic enzyme zymogens, mucin, and intrinsic factor
Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M solution of sodium sulfide to a total volume of 250.0 mL
Determine the molality and molarity of the HCL, if the solution has a density of 1.20 g/ml.
C3H8(g)+5O2(g)->3CO2(g)+4H2O If 465 mL of oxygen at STP is used in the reaction, what volume of CO2 measured at 37 degrees C and 0.973 atm, is produced?
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