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Which of the following is a property of acid solutions?
a. sour taste c. change red litmus to blueb. slippery feel d. more than one response is correctA 25.00 mL sample of hydrochloric acid solution, HCl, is titrated with 0.0512 M NaOH solution. The volumeof NaOH solution required is 21.68 mL. What is the molarity of the HCl solution?a. 0.0444 b. 0.0590 c. 0.0295 d. 0.0148
C2H6+O2 ---> CO2+H2O Calculate the mass of H2O that should form if 1.5 g of C2H6 is combusted in the presence of 2.5 g of O2.
some people said that the precipitate disappeared and the solution went back to a bright orange/yellow clear colour, what is the chemical equation that describes both these reactions,
verify the law of multiple proportions for an element X, which forms oxides having percentages of X equal to 77.4%, 63.2%,69.6% and 72.0%
MgNH4PO4 • 6H2O loses H2O stepwise as it is heated. Between 40º and 60º C the monohydrate (MgNH4PO4 • H2O) is formed and above 100º C the anhydrous material (MgNH4PO4) is formed. What are the phosphorus percentages of the monohydrate and anhydrous..
Single double triple bonding, Explain the characteristics of a single, double, and triple bonds including why they form and how the electrons
In an electrolysis experiment such as the one you will perform, 1.76 x 10^-3 moles of hydrogen gas were collected, and the metal electrode lost 0.1983 g. The equivalent mass of the metal is approximately what?
In a gas mixture, the partial pressures are nitrogen 420 torr , oxygen 125 torr , and helium 245 torr. What is the total pressure (torr) exerted by the gas mixture?
Keq is 1.60 at 933 K for this reaction. H2(g) + CO2(g) H2O(g) + CO(g) Calculate the equilibrium concentration of hydrogen when [CO2] = 0.290 mol/L, [H2O] = 0.250 mol/L, and [CO] = 0.210 mol/L.
A solution contains 0.22 M CaCl2 and 0.12 M MgCl2. What concentration of hydroxide ions would be required to separate the magnesium as Mg(OH)2 without precipitating the calcium as Ca(OH)2?
The crude copper that is subjected to electrorefining contains tellurium as an impurity. The standard reduction potential between tellurium and its lowest common oxidation state
When 2.20 grams of Cr(CO)6 reacts according to the following equation at 400 °K in a closed system the temperature goes down and 5.2 kJ of hear is absorbed
460. mL of hydrochloric acid (HCl) acid is exactly neutralized with 485 mL 0.660 M NaOH solution. What is the concentration of the acid solution.
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