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- Given: 0.35g NaCl, 0.25 g NaHCO3, 0.15 g KCl & 2 g C6H12O6 are present in 100 mL ORS solution (MW: Na: 23, K: 39, Cl: 35, H: 1, C: 12, O: 16) Calculate the total amount of chloride expressed in mmol/L present in the prepared solution 60.34 mmol/L 90.10 mmol/L a 111.11 mmol/L b 29.76 mmol/L c 80.61 mmol/L d 20.27 mmol/L1. Answer the following and show working a. 073kg to mg b.475inch to c. Calcium ion and hydroxide ion d. Aluminum ion and sulfide ion e. Ammonium ion and biphosphate ion f. Tin (II) ion and fluoride ionA lead compound would be most promising if it had: A.KM = 4.7 × 10^5 M. B.K(I) = 1.5 × 10^-8 M. C.K(I)= 4.7 × 10^-5 M. D.K(I)= 4.7 × 10^5 M. E.K(I) = 1.5 × 10^8 M.
- Given: 0.35g NaCl, 0.25 g NaHCO3, 0.15 g KCl & 2 g C6H12O6 are present in 100 mL ORS solution (MW: Na: 23, K: 39, Cl: 35, H: 1, C: 12, O: 16) Calculate the total amount of bicarbonate expressed in mmol/L present in the prepared solution a 90.10 mmol/L b 80.61 mmol/L c 29.76 mmol/L d 60.34 mmol/L e 111.11 mmol/L f 20.27 mmol/LPower Index = 178% Heat of explosion (Qv) = 6666kJ/kg Gaseous products detected: CO2, H2O, and N2 (no other gases detected) Total moles of gaseous products detected: 5.3 moles You must determine the molar mass of this compound and draw a reasonable Lewis structure for it. (Hypothetical)keAssignment/takeCovalentActivity.do?locator=assignment-take n progress Q Search 40 eaction is Submit Answer In the following equation for a chemical reaction, the notation (s), (I), or (g) indicates whether the substance indicated is in the solid, liquid, or gaseous state. 2NO(g) + 2H₂(g) →→→ N₂(g) + 2H₂O(l) + energy Identify each of the following as a product or a reactant: NO(g) H₂0(1) H₂(g) N₂(g) When the reaction takes place energy is V2 7 L Retry Entire Group = 18 + Use the References to access important values if needed for this question. fg 0 OWLv2 | Online teaching and lear X hp 9 8 more group attempts remaining f10 MO f11 PAI + 112 G ins prt sc Ⓡ ✰ FRIEVIDUS Next> ^ @ ¹0 delete backspace home lock 5:- 5/14
- Vanadic ion, V3+, forms green salts and is a good reducingagent, being itself changed in neutral solutions to thenearly colorless ion V(OH)4+. Suppose that 15.0 mL of a0.200-M solution of vanadic sulfate, V2(SO4)3, was neededto reduce completely a 0.540-g sample of an unknownsubstance X. If each molecule of X accepted just oneelectron, what is the molecular weight of X? Suppose thateach molecule of X accepted three electrons; what wouldbe the molecular weight of X then?What volume of O2 (g) is collected at 25.0°C and 1.02 atm if 1.00 kg of water is electrolyzed? Given: 2H2O(l) --> O2 (g) + 2H2 (g)How many milliequivalents of Ca⁺² are present in 1.000 gram of Calcium Carbonate (MW: 100.09 grams per mole)?
- Congratulations, you have just been hired at a local laboratory. Your first task is to prepare 10.0 mL of a 1.50 x 10-6 M solution of a small protein (FW: 3600 g/mole). Available to you are an electronic balance that is accurate to the nearest 0.001 g, a 1.00-mL pipette, and 10-mL volumetric flasks. Describe how to prepare the desired solution. (Note that the amount of protein is so small that you will need to make a more concentrated stock solution and dilute it.)Help with Part A B and C: Ksp Values: Ionic CompoundFormulaKsp Aluminum hydroxideAl(OH)31.8×10–5 Aluminum phosphateAlPO46.3×10–19 Barium carbonateBaCO35.1×10–9 Barium chromateBaCrO41.2×10–10 Barium fluorideBaF21.0×10–6 Barium hydroxideBa(OH)25×10–3 Barium sulfateBaSO41.1×10–10 Barium sulfiteBaSO38×10–7 Barium thiosulfateBaS2O31.6×10–6 Bismuthyl chlorideBiOCl1.8×10–31 Bismuthyl hydroxideBiOOH4×10–10 Cadmium carbonateCdCO35.2×10–12 Cadmium hydroxideCd(OH)22.5×10–14 Cadmium oxalateCdC2O41.5×10–8 Cadmium sulfide*CdS8×10–28 Calcium carbonateCaCO32.8×10–9 Calcium chromateCaCrO47.1×10–4 Calcium fluorideCaF25.3×10–9 Calcium hydrogen phosphateCaHPO41×10–7 Calcium hydroxideCa(OH)25.5×10–6 Calcium oxalateCaC2O42.7×10–9 Calcium phosphateCa3(PO4)22.0×10–29 Calcium sulfateCaSO49.1×10–6 Calcium sulfiteCaSO36.8×10–8 Chromium(II) hydroxideCr(OH)22×10–16 Chromium(III) hydroxideCr(OH)36.3×10–31 Cobalt(II) carbonateCoCO31.4×10–13 Cobalt(II) hydroxideCo(OH)21.6×10–15 Cobalt(III) hydroxideCo(OH)31.6×10–44…Aleks data for AgBrO3 is 5.38 x 10^-5