calculate the mass of magnesium metal that must be reacted with hydrochloric acid to produce 1.00...
Temperature °C Water Vapor Pressure (mmHg) Magnesium metal is reacted with hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over water in a eudiometer. Calculate the mass (in grams) of magnesium metal needed to produce 39.0 mL of hydrogen gas at an atmospheric pressure of 739 mmHg and a temperature of 25.9 °C. 20 17.5 22 19.8 24 22.4 Mass of Mg - g 26 25.2 28 28.3 30 31.8
Consider the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. If 4.34 mol of magnesium and 4.34 mol of hydrochloric acid are reacted, how many moles of hydrogen gas are produced? a. 8.68 mol b. 2.17 mol c. 4.34 mol d. 6.34 mol e. none of these
In the lab, you did several experiments with magnesium metal and hydrochloric acid to produce aqueous magnesium chloride and hydrogen gas. Mg (s) + HCl (aq) ----> MgCl2 (aq) + H2 (g) balance equation Calculate q and Δ H in kJ, if 225 mg of magnesium metal are added to 100 mL aqueous hydrochloric acid initially at 25 0C. The final temperature of the mixture is 48.6 oC. Use the density and specific heat of water. (4 pts)
Magnesium metal reacts with hydrochloric acid to give hydrogen gas. Mg + 2 HCl → MgCl2 + H2 Use the following reaction information to answer the subsequent questions. Show all of your work. 92 mm Length of Magnesium ribbon: Barometric Pressure: 762.9 mmHg Water Temperature: 29 °C Initial Gas Volume: 0.00 mL Final Gas Volume: 67.35 mL 0.7559 Mass = Length (in mm) x (1000 mm) 1. Magnesium is usually found in the laboratory as a ribbon strip. Find the...
2. A 0.865g sample of an unknown metal (X) reacted with hydrochloric acid according to the balanced chemical equation shown below. XC12 (aq) + H2() X+ 2 HCl(q) The volume of the hydrogen gas collected over water was measured at 191 mL at 22C and an atmospheric pressure of 762 mmHg. Calculate the molar mass of the unknown metal, and use a periodic table to identify the metal. Molar mass: The metal is 127
14. The reaction of magnesium metal with hydrochloric acid produces hydrogen gas as a product. I would like to collect 125 mL of hydrogen gas from the experiment. The temperature of the lab is 23.5°C and the pressure is 762 mmHg. How many grams of magnesium metal should I use if the hydrochloric acid is kept in excess? Mg(s) + 2 HCl(aq) MgCl2(aq) + H2(g)
Hydrogen gas production Hydrogen gas will be produced by reacting magnesium metal with aqueous hydrochloric acid. The products are hydrogen gas and magnesium chloride. The hydrogen gas will be collected in the gas collection apparatus, and the magnesium chloride salt will dissolve in the aqueous solution. Write a balanced equation for this reaction.
A solid magnesium undergoes a single replacement reaction with aqueous hydrochloric acid to produce hydrogen gas(and another product). Write a balanced Chemical equation for this reaction. How many milli liters of hydrogen gas (at 25゚C and 1atm) Can be produced from the reaction between 0.0411 g of magnesium and 15.0mL of 2.98 M hydrochloric acid?
During the lab this week, Magnesium will be reacted with the two acids HCl or H,SO produce hydrogen gas and magnesium chloride or magnesium sulfate, respectively. Write out the balanced chemical equations for the two reactions. During the lab this week, a constant amount of Mg metal (-0.080 g) will be reacted the two acids HCI or H,SO, to produce hydrogen gas. a. Write out a correctly formatted hypothesis that describes how the amount hydrogen gas produced with be affected...
a) A 4.951 g sample of a metal reacted with sulfuric acid to produce a gas and a sulfate solid. What is the expected mass (in grams) of the dried sulfate if the metal was Al? b) A 7.77 g sample of a metal reacted with sulfuric acid to produce a gas and a sulfate solid. What is the expected mass (in grams) of the dried sulfate if the metal was Zn?