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 *1025 Cr atoms
B) 2.248 * 1024 Cr atoms
C) 1.124 * 1024 Cr atoms
D) 3.227 *1023 Cr atoms
E) 1.613 * 1023 Cr atoms
Correct Answer:
Verified
Correct Answer:
Verified
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