Calculate the mass in grams of each of the following samples. a. 2.6 ×10^-2 mol of copper(II) su

Calculate the mass in grams of each of the following...

Calculate the mass in grams of each of the following samples. a. $2.6 \times 10^{-2}$ mol of copper(II) sulfate, $\mathrm{CuSO}_{4}$ b. $3.05 \times 10^{3}$ mol of tetrafluoroethylene, $\mathrm{C}_{2} \mathrm{F}_{4}$ c. 7.83 mmol $(1 \mathrm{mmol}=0.001 \mathrm{mol})$ of 1,4 pentadiene, $\mathrm{C}_{5} \mathrm{H}_{8}$. d. 6.30 mol of bismuth trichloride, $\mathrm{BiCl}_{3}$ e. 12.2 mol of sucrose, $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}$

Calculate the mass in grams of each of the following samples.
a. $2.6 \times 10^{-2}$ mol of copper(II) sulfate, $\mathrm{CuSO}_{4}$
b. $3.05 \times 10^{3}$ mol of tetrafluoroethylene, $\mathrm{C}_{2} \mathrm{F}_{4}$
c. 7.83 mmol $(1 \mathrm{mmol}=0.001 \mathrm{mol})$ of 1,4 pentadiene, $\mathrm{C}_{5} \mathrm{H}_{8}$.
d. 6.30 mol of bismuth trichloride, $\mathrm{BiCl}_{3}$
e. 12.2 mol of sucrose, $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}$

Key Concepts

Chemical Formula Interpretation

Interpreting a chemical formula involves understanding the types and numbers of atoms within a compound. This is crucial for calculating the molar mass of the substance since it requires the sum of the atomic masses of each element multiplied by its occurrence in the formula.

Mole

The mole is a fundamental unit in chemistry that measures the amount of substance. It links the mass of a substance to the number of particles it contains using Avogadro's number (approximately 6.022 x 10^23 particles per mole), allowing chemists to count atoms, molecules, or ions in a given sample.

Molar Mass

Molar mass is the mass of one mole of a substance, expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all the atoms present in the molecule as given by the periodic table, and it serves as the conversion factor between the number of moles and the mass of a substance.

Unit Conversion

Unit conversion, often accomplished through dimensional analysis, is the process of converting one set of units to another using conversion factors. In the context of these problems, it involves converting moles or millimoles to grams by multiplying by the appropriate molar mass.