The formula of cupric sulfate is? A. Cu(SO4)2 B. CuSO3 C. CuSO4 D. Cu(SO3)2 Q2: A silicon chip has a mass of 6.2g. The no. of moles of silicon in the chip is? A. 0.44 mol B. 0.22 mol C. 170 mol D. 87 mol Q3: A 0.22 mol silicon chip has how many number of Si atoms

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Q1: The formula of cupric sulfate is? A. Cu(SO4)2 B. CuSO3 C. CuSO4 D. Cu(SO3)2 Q2: A silicon chip has a mass of 6.2g. The no. of moles of silicon in the chip is? A. 0.44 mol B. 0.22 mol C. 170 mol D. 87 mol Q3: A 0.22 mol silicon chip has how many number of Si atoms? A. 3.6 x 10^-25 atoms B. 7.3 x 10^-25 atoms C. 1.3 x 10^23 atoms D. 2.6 x 10^23 atoms
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