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Calculate the OH- of each aqueous solution with the following H3O+A baking soda 1.1 X 10-8 MB orange juice 2.1 X 10-4C milk 4.9 X 10-7D bleach 4.9 X 10-12
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
A solution is prepared by dissolving 270 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
It was found that 19.31 mL of an HCl solution are needed to react completely with 322 mL of a LiOH solution that has a pH of 11.56. What is the molarity of the HCl solution?
Calculate the number of molecules inside the cell, which is 3.6um long and 1.2 um in diameter.
Which of the following statements is true regarding chiral carbons with R configuration? a. plane polarized light is rotated clockwise b. plane polarized light is rotated counterclockwise
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable first approximation.)
what is the work in joules done on the system to compress He gas from 24.0 L to 12.5 L against a pressure of 1.5 atm at a constant temperature of 37.4 C?
Determine the volume of the methane at STP if bacterial culture isolated from sewage produced 35.5 mL of methane, CH 4 , at the temperature of 31 degree Celsius and at pressure of 753 mmHg.
Phosphorous trichloride (PCl3) is produced from the reaction of white phosphorous (P4) and chlorine: P4(s) + 6 Cl2(g) → 4 PCl3(g) . A sample of PCl3 of mass 298 g was collected from the reaction of 75.37 g of P4 with excess chlorine.
Advantages and disadvantages of using Alternative Fuel and Would you consider buying one of these in the future? Why or Why Not and Why do you think there are not more of these vehicles in use?
Iron is obtained commercially by the reaction of hematite (Fe2O3) with carbon monoxide. How many grams of iron is produced when 25 mol of hematite reacts with 30 mol of carbon monoxide? with the balanced equation of Fe2O3 + 3CO = 2Fe + 3CO2
The determination of iron in industrial waste stream is often carried out by reacting the water sample with o-phenanthroline to form a red-orange complex that absorbs at 510 nm.
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