Question

Assume the atomic mass of element x is 22.99 amu. A 22.42 g sample of x combines with 34.56 g of another element y to form a compound xy. Calculate the atomic mass of y

Answer 1

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Answer 2

Answer:

The atomic mass of y is 35.44 g/mol

Explanation:

Step 1: Data given

The atomic mass of element x is 22.99 amu

A 22.42 g sample of x combines with 34.56 g of another element y to form a compound xy

Step 2: The equation X + Y → XY

Step 3: Calculate moles X

Moles X = mass / atomic mass

Moles X = 22.42 grams / 22.99 amu

Moles X = 0.9752 moles

Step 4: Calculate atomic mass Y

MMy = 34.56 grams / 0.9752 moles

MMY = 35.44 g/mol

The atomic mass of y is 35.44 g/mol