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 H2 gas and aqueous MCl3.

When a metal reacts with a strong acid, bubbles of hydrogen gas form.

a. Write a balanced equation for the reaction of the metal M (s) and HCl (aq).

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b. What volume, in milliliters, of H2 at 720. mmHg and 24 °C is produced?

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c. How many moles of metal M reacted?

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d. Using your results from part c, determine the molar mass and name of metal M.

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e. Write the balanced equation for the reaction.

Calculate each of the following:

a. number of Ag atoms in 0.200 mol of Ag

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b. number of C3H8O molecules in 0.750 mol of C3H8O

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c. number of Cr atoms in 1.25 mol of Cr

Calculate each of the following:

a. number of Ni atoms in 3.4 mol of Ni

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b. number of Mg(OH)2 formula units in 1.20 mol of Mg(OH)2

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c. number of Li atoms in 4.5 mol of Li

State the number of atoms of oxygen in the reactants and in the products for each of the following equations:

a. CH4(g) + 2O2(g) CO2(g) + 2H2O(g)

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b. 4P(s) + 5O2(g) → P4O10(s)

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c. 4NH3(g) + 6NO(g) → 5N2(g) + 6H2O(g)

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d. 6CO2(g) + 6H2O(l) → C6H12O6(aq) + 6O2(g)

Calculate the total masses of the reactants and the products for each of the following equations:

a. 2Al(s) + 3Cl2(g) → 2AlCl3(s)

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b. 4HCl(g) + O2(g) → 2Cl2(g) + 2H2O(g)

On a climb up Mount Whitney, the atmospheric pressure drops to 467 mmHg. What is the pressure in terms of the following units?

a. atm

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b. torr

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c. in. Hg

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d. Pa