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How many mL Hydrochloric acid of 0.1 M must be added to 100 mL of a 0.2 M solution of tris base to form a buffer ( pH 7.8)? Determine what would be the final tris concentration?
Half-life of Phosphorus-32=14.0 days calculate how many grams will remain after 98.0 days if Starts with 6.00g of 32 P rm ^{32}P, ?
The reported values for one compound (CaHbOc) were as follows: mass: 214.1360 g/mol; percent C and H: 84.07 and 8.47, respectively. Determine the molecular formula of the compound.
Calculate the percent (by volume) of air that would be displaced when all of theN2 (l) get evaporated. it is given that Liquid nitrogen has a density of 0.807 g/mL
Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.
What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?
Calculate How many grams of pure, solid sodium hydroxide are needed to make 500 mL of 0.15M NaOH solution and also express the answer in just 2 significant figures?
Find the volume of a gas inside a cylinder - What will be the resulting volume of this gas?
Multiple choice questions in organic chemistry - Which of the following statements are true about the processes of melting and freezing?
A body consists of a right circular cone whose base is 12 in. and whose altitude is 16 in. A hole 8 in. in diameter and 4 in. deep has been drilled from the base. The axis of the hole coincides with the axis of the cone. Locate the centroid of the..
How would you expect a titration curve of both the solutions and what will happen if HCl is added to the H 2 O and sodium acetate buffer ?
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
A solution, made by dissolving 62.07 g of a nonelectrolyte in 500 g of H2O, exhibits a freezing point of -1.86 °C. Determine the molecular weight of this nonelectrolyte compound? For water Kf = 1.86 °C m-1Kb = 0.51 °C m-1
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
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