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Calculate the molar concentration of HCl in a solution that has a specific gravity 1.185 and is 36.5% (w/w). Prepare from this bottle 1 L of 0.1 HCl solution. 25 mL of this solution titrated with 30 mL of NaOH. Find the molar concentration of NaOH solution.
What is the sum of the coefficients in the balanced equation that represents the complete combustion of the relatively new
What is the frequency of a photon emitted from a hydrogen atom when an electron makes a transition
Disposable lighters burn butane (C4H10) and produce CO2 and H20. Balance the chemical equation for this combustion reaction and determine how many grams of CO2 are produced by burning 1.00 g of C4H10.
Calcium hydride, CaH2, reacts with water to form hydrogen gas. CaH2(s) + 2 H2O(l) → Ca(OH)2(aq) + 2 H2(g)
Commercial grade hcl are typically 39% by mass HCL in water. determine mole fraction of HCL has solution has density
An aqueous solution of nickel acetate is electrolyzed for 3 hours with a 1.8 ampere current. What mass of nickel is produced?
Given the following equilibrium constant at 25 C, calculate the equilibrium constant for the unknown reaction below.
One of the main reactions involved in the production of iron from iron(III) oxide as found in iron ore, proceeds according to the following balanced chemical equation
How many moles of iron are required to react completely with 45.0 L of chlorine gas according to the following reaction at 0 degrees
what is the desity of Osmium if 50.6 gram occupy 2.23 ml. What is the volume of the same mass of Aluminum if the density if 2.70grams/cm3
Isopropyl alcohol (I.P.A.) has a flash point of 53 degrees Fahrenheit. The outside temperature is 68 degrees Fahrenheit. While this product is being unloaded from a truck
What mass of carbon monoxide in grams is present in a room measuring 8.5 12.0 18.4 ft ?
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