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COURSES GROUPS RESOURCES GRADE REPORT Q OOO try: 913322 4 Honors Chemistry Tests/Quizzes ormulas Reactions Quiz Questic Question 1 (2 points) How many atoms of cadmium are found in a 37.8 g sample of the element? Report your answer to 3 significant digits. X1023 atoms of silicon​

Sagot :

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Answer:

2.02 × 10²³ atoms

Explanation:

Step 1: Calculate the moles corresponding to 37.8 g of cadmium

To convert mass to moles, we need a conversion factor: the molar mass. The molar mass of cadmium is 112.41 g/mol.

37.8 g × 1 mol/112.41 g = 0.336 mol

Step 2: Calculate the number of atoms in 0.336 moles of cadmium

To convert moles to atoms, we need a conversion factor: Avogadro's number. In 1 mole of atoms of cadmium, there are 6.02 × 10²³ atoms of cadmium.

0.336 mol × 6.02 × 10²³ atoms/1 mol = 2.02 × 10²³ atoms

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