'3 hcl 2v 2' diaporamas de présentation

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第 6 章 酸碱滴定法 6

第 6 章 酸碱滴定法 6

第 6 章 酸碱滴定法 6. 多元酸碱滴定、酸碱滴定法的应用. 弱酸准确滴定的条件:. 弱酸准确滴定条件: cK a ≥10 -8 对于 0.1000mol·L -1 的 HA, K a ≥10 -7 才能准确滴定. 6.9 多元酸 ( 碱 ) 的滴定:. 多元酸能分步滴定的条件 滴定计量点的 pH 值的计算 指示剂的选择. 被滴定的酸足够强 , cK an ≥10 -8 相邻两步解离相互不影响,△ lg K a 足够大 , 若△ pH=±0.2, 允许 E t =±0.3% , 则需 △ lg K a ≥5. 多元酸能分步滴定的条件 :.

By rufus
(225 views)


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Recherches associées pour 3 hcl 2v 2
-2V

-2V

a. b. +2V. -2V. 8 bit. ADC. a. Tetik. 8. ADC (Analog to Digital Conversion):. a: Analog, b: Dijital. 0. +2V. a=-0.45 ise b=156.1875 →b=156. -2V. 255=2 8 -1. 8 bitlik hasssasiyet. 156-128=28. 28-16=12. 128 64 32 16 8 4 2 1. 12-8=4. 1. 0. 0. 1.

By bishop (135 views)

AgNO 3 + HCl 

AgNO 3 + HCl 

When 50.0 mL of 0.100 M AgNO 3 and 50.0 mL of 0.100 M HCl are mixed in a coffee-cup calorimeter, the mixture’s temperature increases from 22.30 o C to 23.11 o C. Calculate the enthalpy change for the reaction, per mole of AgNO 3. Assume:. AgNO 3 + HCl . AgCl + HNO 3.

By thad (485 views)

Na 2 CO 3 + HCl 	 NaHCO 3 + NaCl i f

Na 2 CO 3 + HCl  NaHCO 3 + NaCl i f

TRACCIA 11. Calcolare il pH della soluzione ottenuta mescolando 50 mL di carbonato sodico 0.2 M con 130 mL di HCl 0.1M. (per l’acido carbonico, Ka1=4,7 · 10 -7 , Ka2=4,7 · 10 -11 ). Gli acidi poliprotici si dissociano per stadi e reagiscono per stadi. Anche i loro sali reagiscono per stadi.

By duy (525 views)

HCl

HCl

HCl. Hydrochloric acid. Perchloric acid. HClO 4. H 2 SO 4. Sulfuric acid. Hydrofluoric acid. HF. H 3 PO 4. Phosphoric acid. Hydrobromic acid. HBr. Nitrous acid. HNO 2. HI. Hydroiodic acid. Sulfurous acid. H 2 SO 3. H 2 Cr 2 O 7. Dichromic acid. Acetic acid. HC 2 H 3 O 2.

By adia (426 views)

Stoichiometry & Percent Yield Practice 2 Al + 6 HCl  2 AlCl 3 + 3 H 2

Stoichiometry & Percent Yield Practice 2 Al + 6 HCl  2 AlCl 3 + 3 H 2

Solution:. Stoichiometry & Percent Yield Practice 2 Al + 6 HCl  2 AlCl 3 + 3 H 2. Calculate theoretical yield:. 95 g of hydrochloric acid are reacted with excess aluminum producing 2.2 g of hydrogen gas. What is the percent yield?. Next, calculate % yield:. Solution:.

By obelia (165 views)

040907; HCl potentials: Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Potentials-040907vhwak.pxp

040907; HCl potentials: Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Potentials-040907vhwak.pxp

040907; HCl potentials: Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Potentials-040907vhwak.pxp Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Vstate-040907ak.pxp Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-pot-040907.xls Agust,www.../rempi/hcl/HCl,agust07-/HCl,V,F,X-pot-040907ak.ppt.

By yanni (139 views)

050907; HCl exp. potentials: Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Potentials-050907vhwak.pxp

050907; HCl exp. potentials: Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Potentials-050907vhwak.pxp

050907; HCl exp. potentials: Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Potentials-050907vhwak.pxp Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-pot-040907.xls Agust,www.../rempi/hcl/HCl,agust07-/HCl,V,F,E,X-pot-050907ak.ppt. UF=81555.3875+ 34464.17877*(1-exp(-1.693310523*(rx1a-1.295)))^2.

By cmiles (0 views)

Reaktion von NH 3 mit HCl

Reaktion von NH 3 mit HCl

+. -. Cl -. NH 4 +. Reaktion von NH 3 mit HCl. d -. d +. d -. d +. d +. d +. NH 3. HCl. Alle HA geben ein H + ab. HA. starke Säuren schwache Säuren. Nur ein kleiner Teil der HA gibt ein H + ab. HA. HA. A -. H 3 O +. A -.

By maris (162 views)

А) KHCO 3 + KOH → Б) KHCO 3 + HCl → В) K 2 CO 3 + HNO 3 → Г) K 2 CO 3 + Ва Cl 2 →

А) KHCO 3 + KOH → Б) KHCO 3 + HCl → В) K 2 CO 3 + HNO 3 → Г) K 2 CO 3 + Ва Cl 2 →

Установите соответствие между реагирующими веществами и продуктами реакций. РЕАГИРУЮЩИЕ ПРОДУКТЫ ВЕЩЕСТВА ВЗАИМОДЕЙСТВИЯ. А) KHCO 3 + KOH → Б) KHCO 3 + HCl → В) K 2 CO 3 + HNO 3 → Г) K 2 CO 3 + Ва Cl 2 →. 1) KNO 3 + CO 2 + H 2 O

By wanda (2444 views)

050907; HCl exp. potentials: Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Potentials-050907vhwak.pxp

050907; HCl exp. potentials: Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Potentials-050907vhwak.pxp

050907; HCl exp. potentials: Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-Potentials-050907vhwak.pxp Agust,heima.../REMPI/HCl/HCl,agust07-/HCl-pot-040907.xls Agust,www.../rempi/hcl/HCl,agust07-/HCl,V,F,E,X-pot-050907ak.ppt. UF=81555.3875+ 34464.17877*(1-exp(-1.693310523*(rx1a-1.295)))^2.

By chandler (191 views)