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Final_VerA_key-1 - final Key Version#A 1 When the following...

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final Key Version #A 1. When the following equation is balanced with the smallest integral coefficients, the coefficient of the HCl(g) is ______. H 2 O(l) + SO 2 Cl 2 (l) HCl(g) + SO 3 (g) a. 1 B. 2 c. 3 d. 4 e. 5 Goldberg - 008 Chapter... #1 2. How many significant digits are there in 0.00011 cm? a. an uncertain number B. 2 c. 5 d. 6 e. some other answer Goldberg - 002 Chapter... #51 3. How many moles of hydrogen atoms are present in 175 g of (NH 4 ) 3 PO 4 ? Goldberg - 007 Chapter... #24
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4. Calculate the mass of Ca(HCO 3 ) 2 that must be thermally decomposed to produce CaCO 3 plus 1.25 g of CO 2 . (Reactants: Ca(HCO 3 ) 2 , Products: CaCO 3 , CO 2 and H 2 O) a. 2.03 g b. 2.30 g c. 1.15 g d. 4.06 g E. 4.60 g Goldberg - 010 Chapter... #14 5. Calculate the mass of 7.00 x 10 24 CCl 4 molecules. Goldberg - 007 Chapter... #20 6. Determine the number of grams of H 3 PO 4 that can be prepared by treating 11.5 g of PCl 5 with 8.05 g of H 2 O, according to the following equation: PCl 5 (s) + 4 H 2 O(l) H 3 PO 4 (l) + 5 HCl(g) Goldberg - 010 Chapter... #22
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