Multiple Choice
Potassium dichromate, K2Cr2O7, is used in tanning leather, decorating porcelain, and water proofing fabrics. Calculate the number of chromium atoms in 78.82 g of K2Cr2O7.
A) 9.490 × 10 25 Cr atoms
B) 2.248 × 10 24 Cr atoms
C) 1.124 × 10 24 Cr atoms
D) 3.227 × 10 23 Cr atoms
E) 1.613 × 10 23 Cr atoms
Correct Answer:
Verified
Correct Answer:
Verified
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