Chemical Principles in the Laboratory
11th Edition
ISBN: 9781305264434
Author: Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher: Brooks Cole
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Chapter 30, Problem 4ASA
What is the mass percent of iron in iron (II) ammonium sulfate hexahydrate, Fe(NH4)2(SO4)2.6 H2O? ____________%mass
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- Copper is obtained from ores containing the following minerals: azurite, Cu3(CO3)2(OH)2; chalcocite, Cu2S; chalcopyrite, CuFeS2; covelite, CuS. Which mineral has the highest mass percent of Cu?arrow_forwardWrite The Molecular Fotmula For The Following 1-Copper Sulfate 2-Phospours Pentabromide 3-Calicum Chloride dihydrate * 4-Sodium Oxide A- Balance The Equation NO2(g) + H2O(1) -- HNO3(1) + NO(g) B- What is formula mass of K2Cr207 (O=16g/mol , Cr=52g/mol and K=39g/mol) C- Calculate the empirical ----- formula of a C6H1206 that following present composition by mass: C=23.75%, H=37.5% and O=40% percent. (C-12g/mol, * H=1g/mol and O=16g/mol) What is mean the Base according to -1 Arrhenius and the Acid acoording to Bronsted ? 2- What the solvent of 100ml N2 and 25ml 02 ? Why? 3-What is Oxidation Number of ions in these compouds a- * KMNO4 b-MgH2 c-H2O2 d-N2 e-CIO3 -1arrow_forwardWhat mass of silver oxide, Ag₂O, is required to produce 25.0 g of silver sulfadiazine, AgC H₂N SO₂, from the reaction of silver 10 oxide and sulfadiazine? 2CH.N 10 10 H₁µÑSO₂+ Ag₂O⇒2AgC₁ (A) 12.500 g B) 11.587 g 23.166 g 25.000 g CH₂N SO₂ + H₂Oarrow_forward
- Calculate molar mass of 1 mole of the following: AlCl _(3) Na_(3)PO_(4)arrow_forward1.Draw the Lewis structure for each of the following compounds (please show work) CO2, Li2S, and H2O 2. Find the empirical formula of a compound with a percentage composition of 52.3% C, 13.0% H, 33.7% O. 3. Calculate the molar mass for: Mg3(PO4)2, Ca(OH)2, and P2Cl5.arrow_forwardHow many grams of manganese(II) hydroxide contain 2.80 grams of Mn2+?arrow_forward
- balance the following equationarrow_forwardAdvance Study Assignment 1. Circle one of the following formulas that is correctly written as an empirical formula: NaSO15 (H₂NO)₂ Fe O N₂O4 2. 6.25 grams of pure iron are allowed to react with oxygen to form an oxide. If the product weighs 14.31 grams, find the simplest formula of the compound. 3. In determining the simplest formula of lead sulfide, 2.46 grams of lead are placed in a crucible with 2.00 grams of sulfur. When the reaction is complete, the product has a mass of 3.22 grams. What mass of sulfur should be used in the simplest formula calculation? Find the simplest formula of lead sulfide. TAFALLAarrow_forward1. Use chemical symbols to generate the factor needed to convert the weight of the substance in the left column into the corresponding weight of the substance in the right column. Weighted (a) CaC,O4 (b) BaCro4 (c )PbI2 (d) Fe,03 (е) В-О, (f) Mn;O4 (g) NaIO3 (h) Mg(C3HGON)2 (i) HgI2 6) Ваз (РОд)2 Sought CaCO3 KCr,0, NaIO3 K3Fe(CN), Na,B40, KMNO4 KI M9SO4 Hgo H3PO4arrow_forward
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