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A hydrofluoric acid solution has a density of 1.29 g/ml. It contains 480.0 g per liter. Calculate %, M and m
Suppose Milk of Magnesia is a suspension of magnesium hydroxide in water. A common medicine, it is frequently used as an antacid for the reason that it neutralizes hydrochloric acid in the stomach
what is the percent composition of a mixture of s--2-butanolmicrod25 13.52ordm and r---2-butanolmicrod25 -13.52ordm
Depict a mechanism that describes the reaction of sodium borohydride with water to form hydrogen.
when 3.02g NH4Cl solid was dissolved in 20.05 ml water the temperature of the water dropped from 19.8 degrees celcius to 9.1 degrees celcius
Write the formula for the name or name for the formula of each acid below. (Type your answer using the format copper(II) chloride for CuCl2, and CO2 for CO2.) (a) chloric acid (b) HBrO3 (c) nitrous acid (d) HNO3 (e) hydroiodic acid
In an alternative analysis of spinach, a student adds the following to an extraction funnel: 50 mL ether, 50 mL water, 15 mL 0.1 M HCl, 0.25 g retinol (vitamin A), and 0.25 g glutamic acid, and proceeds to shake. Indicate the contents of phase A a..
write out the balanced net ionic equation for the reaction of hydrochloric acid
Write nuclear equations for electron capture by the following radioisotopes. 1. 62/30 Zn 2. 110/50 Sn 3. 40/19 K
A Buffer solution with a pH reading of 8.50 was prepared by mixing 0.25 mole acid(HA) and 0.05 mole NaOH in 500.0ml DI water.
Determine the equilibrium concentrations of the following: a. The cobalt ion concentration of a saturated solution of Cos b. The pH of a saturated Zn(OH)2 solution c. The lead (II) ion concentration of a saturated solution of PbCL2
The atomic absorption signals were A=0.22 for the unspiked sample and 0.37 for the sample spiked with the additional gold standard. Assuming that the signal is linear over the measured absorptions, what is the concentration of gold in the original..
in a test on the vaporization of water into air in a wetted-wall column the following data were obtained tube diameter
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