Limiting Reactant-Hydrate Worksheet (2010)

Limiting Reactant-Hydrate Worksheet (2010) - AP Chemistry...

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Unformatted text preview: AP Chemistry — Limiting Reactant and Hydrate Formula worksheet (2 010/11] [1] Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure. Its formula can be written as Na2C03.x H20 , where x is the number ofmoles of H20 per mole of Na2C03. When a 2.558-g sample ofwashing soda is heated at 25°C, all the water of hydration is lost, leaving 0.948 g of Na2C03. What is the value of x? [2] Silver nitrate , AgNOg, reacts with iron (ill) chloride, FeClg, to give silver chloride, AgCl, and iron [11]) nitrate, Fe[N03]3. A solution containing 18.0 g of AgN03 was mixed with a solution containing 32.4 g of FEClg. (a) Which is the iimiting reactant? Show work to support your answer. [b] If the yield ongCl is 81%, what is the mass ongCl formed? [c] How many grams of the excess reactant will be left? (3) What is the maximum amount of Ca3[P04)2 that can be prepared from 9.25 g of Ca(OH)2 and 12.25 g of H3P04? [a] Write a balanced equation for the precipitation reaction. [b] Identify the limiting reactant. [c] How many grams of the precipitate will be formed? [d] How many grams of the excess reactant will be left? (4] What mass ongCl could be formed by mixing 10.0 mL ofa 1.20% NaCl by mass solution ((1 = 1.02 g/mL] with 50.0 mL of 1.21 x 10'2 M AgN03? AW a) K2 70 AA :1 ,l/flmn': MoK/(é'r/éfiT / Hal. 5’) Mfg-AM; = Amy! 54.0 x M 7 {A0974 5101. ILA—0 3.009974 flt-L M1609; 54mm 4: #94972 /5 Wu c4; .MA 02 (L) JA/W; om, + a. 66:; (m ———> .24;va + [Lg/032% (w A Fa /“1'L~ / f7”; 2r “ff? - 4/04 [4.4/3 :0035'3414 3A4 [1.563 x /MaL _ m g .- 015054.14. / _ 5,; ML// é) WM; (54 K. (J) fi/OéMLfl/flflé} kw Aim 1 I ,«2 n z. lei/W; hang/$9M, /fi)—/,]’ :7 11/: 0 L) was rJFbééa. /Mo[—FL&} u \ 39 \n. 5K 3 [x a; Q (3) a) (4‘) 1,) gains as Ada/944 3/ACWV/L +21431’946 fl /M3(/’5/),_ 14/ 54.0 #704 zlf/ ([email protected] X 74”; ' fl/ifmol— .3> /11$’/’L/3/‘9¢ X /""°L -_ m/lfm-L/L 711-7 0 Cry?! ,5/0./aa 0) /./L5’M-vA KoGHAX /‘4 4‘49 1.x / 3 m4 flea/0.. /WVA ‘ ,— ,)_A.¢.L 7 «9 H.457 _, (gain-4 4.@#J.K iMaL/A‘éfl/‘L y “L 1. msz - A”; ; (41.0%? fla/figazmaca; flf/Vfla 7‘ WACC—‘i’ 75a; A/W’Vé‘ /0,0A~.L X /-°‘-7 ham 6b Man a " a 4 J0 0404‘“ L {/A/é X /M,44/wg X Maya ...
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This note was uploaded on 01/31/2011 for the course CHEM 101 taught by Professor Nil during the Spring '10 term at Hanken.

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Limiting Reactant-Hydrate Worksheet (2010) - AP Chemistry...

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