Answer to Question #182111 in General Chemistry for Madison

General Chemistry

Question #182111

What mass of magnesium will react with excess hydrochloric acid to produce 500. mL of hydrogen gas at STP?

Expert's answer

1 mole H2 = 1 mole of Mg

22.4L H2 = 24 g Mg

0.5L H2 = 24 × 0.5/22.4 = 0.536g

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. How many joules are released when 2.4 g H2O at 0.0oC solidify? (Specific Heat = 4.2 J/goC, Enthalpy
2. An unknown metal sample with a mass of 9.2 g is heated to a temperature 52oC, and dropped into 18.8g
3. Two students perform an experiment to determine the molar enthalpy of sucrose (C12H22O11, molar mass
4. 1. For each reaction, indicate whether the sign of ΔS for the system will be positive or negative.
5. Air bags are activated when a severe impact causes a steel ball to compress a spring and electricall
6. Aluminum will react with oxygen to form aluminum oxide. It takes 2.00 L of pure oxygen gas at STP t
7. A container is filled with an ideal gas to a pressure of 11.0 atm at 0oC. a. What will be the pre