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# 1 calculate the number of moles of water produced

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1. Calculate the number of moles of water produced from the reaction of 4.2 mol of Al in the following reaction: 6 NH 4 ClO 4 + 10 Al → 5 Al 2 O 3 + 3 N 2 + 6 HCl + 9 H 2 O 2. Nitrogen and hydrogen gas react to form ammonia gas, NH 3 . Calculate the number of moles of nitrogen gas needed to produce 7.2 mol of ammonia. 3. How many moles of water can be formed when propane gas (C 3 H 8 ) reacts with 2.0 moles of oxygen gas in a complete combustion reaction? 4. If 20.0 grams of zinc reacts with hydrochloric acid in a single replacement reaction, how many grams of zinc chloride are produced?

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5. To produce 10.0 grams of NaCl, how many grams of chlorine gas must be reacted with sodium iodide? ___ NaI + ___ Cl 2 →___ NaCl + ___ I 2 6. Tin(II) fluoride, formerly found in many toothpastes, is produced according to the following reaction: __ Sn (s) + __ HF (g) → __SnF 2 (s) + __ H 2 (g) (a) How many moles of HF are needed to produce 9.40 g of SnF 2 ? (b) How many molecules of H 2 are produced by the reaction of 20.0 grams HF? (c) How many grams of SnF 2 can be made by reacting 7.42 x 10 24 molecules of HF?
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1 Calculate the number of moles of water produced from the...

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