I am struggling with these questions

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timer Asked: Oct 8th, 2017

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Activity VI (due Monday October 9th) Name ___________________________________ * You must use molar ratios for credit in this assignment. (1) - Answer the following questions on CaS2O3 (Yes, that is a S2O32- anion) (2) - (a) - If you need 37.9 g of sulfur, how many moles of CaS2O3 are needed? (b) - How many grams of O2 are in 3.7 kg of CaS2O3? Answer the following questions on Pb(Cr2O7)2. (a) - If you need 1.4 kg of chromium metal, how many kg of Pb(Cr2O7)2 are needed? (b) - How many grams of oxygen are contained in a sample that has 15.0 g Chromium? (3) - Answer the following questions based upon the explosive decomposition of nitroglycerin C3H5(ONO2)3 . 4C3H5 (ONO2 )3(g)   12CO2(g) + 10H2O (g) + 6N2(g) + O2(g)   (a) - How many grams of water vapor were formed if the decomposition produced 35.7 g of CO2. (b) - If 500.0 g of nitroglycerin decomposed, how many grams of nitrogen gas where formed? (c) - If 500.0 g of nitroglycerin decomposed, how many moles of gas particles were formed? d) - An explosion produced 35.0 g of H2O. How many grams of nitroglycerine detonated?
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