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An acid solution is 0.120 M in HCl and 0.210 M in H2SO4.What volume of a 0.160 M KOH solution would have to be added to 550.0 mL of the acidic solution to neutralize completely all of the acid?
A technician would like to find the concentration of a NaOH solution using KHP as the primary standard. The reaction of NaOH and KHP is as followed:
Consider two DNA molecules: one 400 base pairs long, the other 800 base pairs long. Assuming that each is a rigid rod of diameter 25 Å, with a length of 3.4 Å per base pai.
Consider the following thermochemical equation: CH4(g) + I2(g) --> CH3I(g) + HI(g) Enthalpy Value = +23 kJ
Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
Calculate the molar mass of a gas that has a density of 0.232 g/L at 156 oC and 222 torr. Use R = 0.0821 L-atm/mol-K for the value of the gas constant.
Water (2290g ) is heated until it just begins to boil. If the water absorbs 4.99×10^5J of heat in the process, what was the initial temperature of the water.
If 5.50 mol calcium carbide reacts with an excess of water, how many moles of acetylene will be produced.
Find the mass of the substance and the volume of a gas in a reaction - determine the mass of solid ammonium nitrate that must be used to obtain 0.145 L of dinitrogen oxide gas at STP.
How much heat do you need to raise the temperature of 150 g of gasoline from 30oC to 15oC?
To what temperature must the specimen be heated and how much Sn should be mixed to the 1.5-kilograms specimen at the temperature of twenty five degree celsius to achieve this state?
What molar ratio of sodium acetate to acetic acid should be used to prepare a buffer with pH = 4.5? Ka acetic acid = 1.8 x 10-5.
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.
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