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A metal M with a mass of 0.420 g completely reacts with 34.8 mL of a 0.520 M HCl solution...

A metal M with a mass of 0.420 g completely reacts with 34.8 mL of a 0.520 M HCl solution to form aqueous MCl3 and H2 gas.

a. Write a balanced equation for the reaction of the metal M(s) and HCl(aq).
b. What volume, in mL, of H2 at 720. mmHg and 24 °C is produced?
c. How many moles of metal M reacted?
d. Use your results from part c to determine the molar mass and name of metal M.
e. Write the balanced equation for the reaction.
f. What is the electron configuration of the metal and its cation?

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A metal M with a mass of 0.420 g completely reacts with 34.8 mL of a 0.520 M HCl solution...

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