Convert each to mass in grams. a. 4.22 ×10^15 atoms U b. 8.65 ×10^25 atoms H c. 1.25 ×10^22 atom

step 1 In this problem, we are given number of atoms for different substances and we have to find the m

Convert each to mass in grams. a. 4.22 ×10^15 atoms U b....

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Key Concepts

Avogadro's Number

Avogadro's number (6.022 × 10^23) is the constant used to convert the number of atoms, molecules, or other particles into moles, which is a standard unit in chemistry representing a specific quantity (one mole) of those particles. This conversion is essential for relating microscopic counts to macroscopic quantities used in laboratory measurements.

Molar Mass

Molar mass represents the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It is determined from the atomic or molecular mass (often found on the periodic table) and is fundamental in converting between the mass of a substance and the number of moles, thereby linking atomic-scale quantities with measurable mass.

Conversion Process

The conversion process involves two key steps: first, dividing the given number of atoms by Avogadro's number to determine the number of moles, and second, multiplying the number of moles by the substance's molar mass to obtain the mass in grams. This systematic approach enables the transformation of microscopic quantities into a macroscopic mass that can be practically measured.

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