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Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq) + H2 (g) When 5.00 g of a mixture of powdered magnesium and zinc were dissolved in diluted sulfuric acid, 0.284 g of hydrogen gas was collected. What was the composition of the mixture of Mg and Zn expressed as percent by mass? If the volume of acid used was 100 mL, what were the final molar concentrations of MgSO4 and ZnSO4?
The total mass of pure metals produced = 0.4684 grams. compute the mass percent of CuCl2, and AgNO3, FeCl3 in the original mixture.
Ethylene gycol has a density of 1.11g/mL. What is the volume of 30.0 g of ethylene glycol?
The conditions of a gas change in a steady flow process from 20 degrees C and 1000 kPa to 60 degrees C and 100 kPa. Devise a reversible nonflow process
An 85.0g sample of iron requires 954 J of heat to raise its temperature 25.0C. What is the specific heat of the iron?
Draw the Lewis structure of nitramide with a single bond between the two nitrogen atoms and include formal charges. Are there any resonance structures? If so, please draw these too. Describe the hybridization of the nitrogen atoms.
How many millimeters of 0.0700 M EDTA are required to react with 50.0 mL of 0.0140 M Cu2+?, b) With 50.0 mL of 0.0140 M Sc3+?
Electrophilic Substitution, Which compound is more reactive toward electrophilic substitution (e.g., nitration)? Explain you reasoning.
How many grams of oxygen gas are required to produce 7.68 kJ of heat when hydrogen gas burns at constant pressure to produce gaseous water?
Litre of white gas, and density of the gas is 0.710 g/cm 3 . Calculate the mass of the fuel and express your answer in kgs?
Pre-Lab Assignment- Understanding Activity 3 in this manual and significant figures and uncertainty in measurements in general will help you answer the last two questions
Write equations for the reaction of each of the following with (1) Mg in ether followed by (2) additione of D2O to the resulting solution:
In a titration experiment, a 12.5 mL sample of 0.0500 M KOH neutralized 14.7 mL of HNO3 solution. Calculate the molarity of the HNO3 solution.
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