Math Problem Statement
Indique si es verdadero o falso a. En 1 mol de moléculas de oxígeno (O2) hay 6,022*1023 átomos de oxígeno. ( ) b. En 25 g de nitrógeno molecular (N2) hay 1,075 x 1024 átomos de nitrógeno. ( ) c. Si en la tabla periódica dice Sodio (Na; 22,98) significa que en 22,98 gramos de este elemento hay 6,022*1023 átomos de Na. ( ) d. 7 átomos de hidrógeno pueden producir 3,5 moléculas de agua (H2O). ( )
Solution
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Math Problem Analysis
Mathematical Concepts
Mole Concept
Avogadro's Number
Stoichiometry
Molecular Mass
Formulas
Number of atoms = Number of moles × Avogadro's number
Moles = mass / molar mass
Theorems
Avogadro's Law
Mole Concept in Chemistry
Suitable Grade Level
Grades 10-12
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