2. Atoms & Elements

What is the molar mass of sucrose (C_{12}H_{22}O_{11})?

Where can you find the molar mass of an element when performing calculations in general chemistry?

What mass of NaOH is present in 50.0 mL of a 0.100 M NaOH solution?

Given that the atomic mass of sulfur (S) is approximately 32.07 g/mol, what is the mass of exactly 500 sulfur atoms?

What is the molar mass of formic acid (HCOOH)?

Given that the molar mass of NH_3 is 17.03 g/mol, how many moles of NH_3 are present in a 107.1 g sample?

What is the molar mass of KBr?

If 71.89 g of CO_2 is decomposed, what mass of oxygen (O_2) is produced? (Use the periodic table to find molar masses.)

How many total atoms of hydrogen are present in one formula unit of the compound 2H2O2?

Given that 5.38 × 10^{16} molecules of 1-butene have a mass of 5.00 μg, what is the molar mass of 1-butene?

What is the molar mass of butane, C_4H_{10}?

Given a graph showing the rates of effusion for four different gases—He, N2, O2, and CO2—which gas has the smallest molar mass?

What is the molar mass of SO_2?

Which of the following is the molar mass of acetic acid (CH3COOH)?

What is the mass of 0.369 moles of Mg(NO3)2 (molar mass = 148.3 g/mol)?