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Solid aluminum reacts with chlorine gas to produce solid aluminum chloride. If 2.70 grams of aluminum and 4.05 grams of chlorine gas were mixed, what maximum mass of aluminum chloride could be produced?
What mass of solid sodium formate (of MW 68.01) must be added to 140 mL of 0.3 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 3.77? Ka = 0.00018 for HCOOH.
what quantity graphed versus time yields a straight line for a zero-order reaction and what is the equation for the half life time. b) identify quantity versus time for a first order reaction and equation for half life.
How many joules of heat are lost by 3473 kg granite as it cools from 41.1°C to -13.1°C?
What is the difference between a strong acid and a weak acid. Calculate [H30+] in each aqueous solution at 25 C and classify each solution as acidic or basic one.
A solution containing 0.0837 M caffeine and 0.0666 M niacin as the internal standard gave R = 423 and R = 347. To analyze a caffeine tablet, 20.0 mL caff niacin 0.146 M niacin and 20.0 mL of caffeine tablet solution were mixed
Write the structure of the conjugate acid of this base while consider the base monosodium phosphate, Na (HO)2P( O)O also explain why an aqueous solution of monosodium phosphate would be ineffective for extracting benzoic acid? pKa of this conjugat..
Each cube measure 2.0 cm on each side.After you carefully lower each cube into the water of its own cylinder, what will the water level be in each cylinder?
112 mL of a glucose (C6H12O6) solution is prepared by diluting 8.2 mL of a stock solution of unknown concentration. If the dilute solution contains 0.20 moles of glucose
The solution was acidified and treated with thioacetamide until no further change occurred. Calculate the Cu2+ and Fe2+ concentrations in the resulting solution. Ksp CuS=8.5x10^-36, Ksp FeS=3.7x10^-19
A typical commercial-grade phosphoric acid solution is 75% phosphoric acid by mass, and has a density of 1.57 grams per milliliter. What are the molarity and molality of H3PO4 in this acid?
The NaHCO3 is the limiting reactant and the HCl is the excess reactant in this experiment. Determine the theoretical yield of the NaCl product.
Consider the temperature change, together with the volume and concentration of the acid and base, noted in the HAZMAT team's response regulation information
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