hydrochloric acid taa) maghesi um A magnesium chloride m= 0.24 g m= 31.51 reactant a) identify thie limiting vageat b) find of reagent lee + mass excess c) what be produced. mass of will
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- Foreattt part of iTIS qtestfoni; tonsider FOHOWIHg Btetat: You need to make a stock solution of Ca( C2H3O2 )2 with a concentration of 6.50 M. You have a 850.0 mL volumetric flask available to make this stock solution in. You are then tasked with using this stock solution to prepare a sample for use in an experiment. The experimental sample should have a final volume of 15.0 mL and a concentration of 0.350 M Ca(C2H3O2)2. a) What is the molar mass of Ca(C2H3O2)2? b) How many moles of the solute would be needed to create the stock solution using the volumetric flask available? c) How many grams of the solute should be added to the volumetric flask to create the stock solution? d) What volume, in mL, of the stock solution should be used to prepare the experimental solution through dilution? US 目 MPlease ansuer the followiveg themocheawishry questian. Starchiometny or (and Vimitinal excess reagont calculations midht be mecessany. Please shew all wark and explain essay. Steps in details a) Haw much energu is produced when 93.5 Oxygan reacts with 13.2q hydrapen in the followng reaction? of grams 2H2 + Oz Đ2H2O Att= -572 KJ b) How many grans of magmesiaom sulfate woud be praduced fram the fallowine reaction if 176g of energy is absorbed the reactian: by Alz (sou)o f 3Mq Iz+2AI G+3Mg(304) AM= +722 KJA sample of magnetite (impure Fe3O4) weighing 0.4500 g is fused with oxidizing flux and the ferric compound formed is eventually precipitated as ferric hydroxide and ignited to ferric oxide (Fe2O3MM 159.70 g/mol) which weighs 0.4890 g. Calculate % Fe. At. mass Fe 55.85 O 16.00
- (6) total lonio al 1unio eanATion (C) ne t lonio componnd 24. NH4OH Co(NO,)2 (a) balancedeauation (b) total lonlceauation ccl net lonic eauationThe indicator of Moher regent is. O KCro4. O KMN04.many grams of Anilin GHs NH2 Should be Solved in water to Prefare dow a Solution of I liter containg oH iong Know that Kb (AnilWhe)=4*/0 with -6 2* 10 -10
- 0,500 of Nacl containing scmple weigh 25ML of cund treat with 0.1086 M mpNO3 sowhen. The remaning nou? rs 11.3mL of ol010 M KSCN. HOW many Nacl tArated with found m the sample? Find mass percantape NOu M the Sample ? CNOCI =58.5 plmol)+. ca(NO3), ,+ ?H3PO4 Caz(poht_+HNO3 -> Whan the eguation is balanced, the coefficient in frot of H3P04 is ?If 6.2 grams of obalt (11) nitrate and 2. Cobalt(i phosplate and litlaum nirate. lithium phosphate are mixed and allowed fo Q2) 9) Cobal+Gu nitrate reacts cwith hithium phospnate to produce Ce balt(i phospnate and lit huum nitrate. 1grams of f T 6.2 grams of cobalt () nitrate and 2" react Completely phosphate are mixed and allowed to how much cobalt (1) phosphate, grams, Could be produced? 2 Chromium Qu) nxia (111) 0xide reacts with Carbon mono xide to produ Ce Carbon diO Kîde and chromium metal. If 14grams of chromuml) O xc de and 5.8grams of carbon monoxide are mixed and allowed to react according to this equation, what is the maximum qmount ,in grams, of carbon dioxide that can be produced?
- Endow Help eq req Ereg Important values if needed... | b... q eq MAY 11 Submit Answer prod01-cnow-owl.cengagenow.com S 5 According to the following reaction, how many moles of bromine monochloride will be formed upon the complete reaction of 0.915 moles bromine with excess chlorine gas? Br2(g) + Cl₂ (g) → 2BrCI(g) mol bromine monochloride Retry Entire Group ty A 6 [Review Topics] [References] Use the References to access important values if needed for this question. Module 2 | OWLv2 MacBook Pro & 7 8 more group attempts remaining GA * CO 8 A :)) O 9 COWLV2 | Online teaching and learning resource from C.... Previous 00 Email Instructor Thu May 11 Next Save and Exit 0 HARB 0 + C ?t we didnt he ad tne sammple iong enouan +o remove all the H2C hydratičn ur calculatons would be neavierima king n toO 5. What mass of CUSO<(H2O)s (Copper II sulfate pentahydrate), when heated and dehydrated, would result in 6.23 g of anhydrous salt? 'n" have been too high or C6.2,39X159,69 MOI O39 0:391 CUSOU CH20)5 159.69 90 59.60+90 Y MOV 909 2/77g x 159.G9x 61239_X- 189 X C6,23+3.631539,86159 -TI626309 x 9= 3,6315 -x* 54.6.03903 うX = 20175 (CUSO4 OEABCH20).20167 0.03903 =CUSO4 CH2O)5 63,5 +32,1t 84:16 sced Chemistry with Vernier 2-337R37S nL of OilooM ealetum chloride reacts complalely with aques lyer nitrate iuhat s the 143.32 al mol) O.100M eaet (१०७.९ Co९० ) mass of Aa C! precipitale? Caclalag)+2
