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a) How many milliliters of concentrated HCl (36% HCl by mass, d= 1.18g/ml) are required to produce 12.5L of a solution with pH= 2.10??
b) What volume of 6.15M HCl is required to exactly neutralize 1.25L of 0.265M NH3? NH3 + H3O => NH4 + H2O
How can I make up 100ml of a solution containing Compound A (solid, purity of 83.7%) at 90 ug/ml and compound B (liquid, density 1.12 and purity of 90.5) at 30 ug/mL for HPLC reference standard.
What is the pH of a sulfadiazine sodium solution containing 0.5 M of the drug in 1000 mL of solution?
what is the density of a sample of ammonia gas if the pressure is 705 mmHg and the temperature is 63.0 degrees C
Write a reaction mechanism for the reaction of (Z) 3-methyl-3-hexene with Cl2 and H2O. Use curved arrows to show electron movements and clearly show the structures of the reaction intermediates and the final product.
How much heat is absorbed or released in the reaction of 20.0 g of NH3 with sufficient oxygen to produce NO(g) and H2O(l)? 4 NH3(g) + 5 O2(g) g? 4 NO(g) + 6 H2O(l) ?H = -1168 kJ A
if in a certain experiment over a specific time period 0.0039 mol ph3 is consumed in a 1.8-l container each second of
In the fingerprint region of the IR spectrum, what do the absorptions at 746 and 688 cm-1 tell you about the substitution pattern of this compound
lithium iodide has a lattice energy of -720kjmol and a heat of hydration of -793kjmol. determine how much heat is
Calculate the pH when 6.80 g of NaBrO is added to 100. mL of a 0.500M HBrO solution (assume no change in volume). 8.76 b) Calculate the pH when 100 mL of 0.50 M NaOH is added to 100 mL of a 0.50M HBrO solution. 11.0
Write the structural formula for each of the following compounds. 3-ethyl-2,3-dimethylpentane
Imidazole, acting as a nucleophile, catalyzes the hydrolysis of phenyl acetate by attach on the carbonyl carbon atom of the ester. The imidazole displaces the phenoxide anion and forms acetyl imidazole
Butadiene, C4H6 (used to make synthetic rubber and latex paints) changes into C8H12 with a rate law of rate = 0.014 L/(mol·s) [C4H6]2. What will be the concentration of C4H6 after 2.0 hours if the initial concentration is 0.025 M
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