What is a mole?

What is Avogadro's number?

Calculate the molar mass for each of the following:

b. C₃H₆O₃

Calculate the molar mass for each of the following:

c. Fe(ClO₄)₃

Calculate the molar mass for each of the following:

a. Al₂(SO₄)₃, antiperspirant

Calculate the mass, in grams, for each of the following:

d. 0.145 mole of C₂H₆O

Calculate the mass, in grams, for each of the following:

e. 2.08 moles of (NH₄)₂SO₄

Determine whether each of the following chemical equations is balanced or not balanced:

d.

Balance each of the following chemical equations:

c. Sb₂S₃(s) + HCl(aq) → SbCl₃(aq) + H₂S(g)

Balance each of the following chemical equations:

d. Al(s) + HCl(aq) → H₂(g) + AlCl₃(aq)

Identify each of the following as an oxidation or a reduction:

c. Cr³⁺(aq) + 3e^– → Cr(s)