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化学 高校生

(4)の解き方で、全て希釈後のモルで計算しているのですが、その答えを希釈前に含まれていたモルとしてもいいんですか? 希釈後のヨウ素のモルは0.001 吸収後にあったヨウ素のモルは0.0004 硫化水素と二酸化硫黄に使われたヨウ素のモルは0.001-0.0004=0.0006... 続きを読む

0.08 myl IL 18】 火山ガス中に含まれるニ酸化硫黄と硫化水素を次のようにして測定した。 水蒸気を除去した火山ガス 5.0 L を 0.10 mol/L のヨウ素水浴液(ヨウ化カリワムをロ む)100 mLにゆっくりと通し,二酸化硫黄、,硫化水素を完全に吸収させた。このときヨワ茶 により二酸化硫黄は硫酸に, 硫流化水素は硫黄に酸化される。 この吸収液100 mL を水で薄めて 1.0 Lとし、この中から50 mL をビーカーAに,00 MLをビーカーBにはかりとり以下の実験を行った。 [実験I] ビーカーAにデンプンを指示薬とし0.020mol/ルのチオ硫酸ナトリウムで満定 したところ 20.0 mL 要した。 L実験I」ビーカーB に塩化バリウム水溶液を十分に加えたところ 4.0×10 "mol の航酸 バリウムが生成した。 以下の問に答えよ。 2- ただし,チオ硫酸ナトリウムの半反応式は 2S20。° SO + 2e-である。 (1). 二酸化硫黄が酸化される半反応式を記せ。 (2) [実験I] で,チオ硫酸ナトリウムに還元されたヨウ素は何 mol か。 (3) 火山ガス 5.0L中に含まれていた二酸化硫黄は何 mol か。 40 4) 火山ガス5.0L中に含まれていた硫化水素は何 mol か。

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英語 高校生

問3 6、問4 4で答え合ってると思いますか⁇ 違っていたら何番か教えてください💦

のまり) Your study group 1S DTG 3 Thoughts on "Welcome to the Ne1 the fictional story beloW. ing a DOSter presentation entitled *Ou、 Daring on dP using information fron 8! Race fter our neighbor。 for almost a Ye8T NR S The house next door Sat Co Soon my family grew used to it | 人 e "For Sale" Bign in the front yard. and 議 3 0 We kk Tnew Yery curioug 本 our new | ne day, the si 時 aG・. my parents | neighbors. 1 hoped they'd have children my OWT 8B @e whi i is phone. | を ” sa dad while looking at his p rugged. “We find out Soon said my RAかho nort weekend, a moving truck pulled up. Let's meet the | 1 1 neighbors!” T said. later? | <Theyre busy moving in,” said my mom. cWell meet them later 8 times Saw Buf later never came. From my 9 4 308s. 6 neighbors outside. They were a fun, hapPy COUP al new cars on the weekend, they inyited friends over. We SaW RGMeP9 Street and heard 18ughter next door. BOSS Whenever T asked about meeting the neighbors, TYP に too busy. My mom took a new job at her companツ and she iA hd ate. My dad started on a new project designing a large BuMMdingifor a university. One Sunday, pushed them a ittle. “Mom and Dad, you always say to be giendly to new kids at school, right?” "Of course, Mary,” my mom answered. “Youre jgnoring your own advice! 尼s been months, and we havent welcomed our new neighbors yet!” "Now's not a good time, Mary,” she said. 和T have an important meeting tomorrow.” “TI just take 10 minutes,” 1 said. “Your mom's busy, Mary,” said my dad, “And you have homework. 民W youre right. TI go sayhellonow” 2 T was disappointed not to go Aglad wed finally learn more about Tnen 20, 30, and 40 minutes went by before “Theyre friends withJeremy!" he said t 10 15 20 25 30

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英語 高校生

この問題の答え、問1 5、2、3、4、1 問2 2 で合ってると思いますか⁇ 違うっていたら何番か教えてください💦

7 ee の Your study group S DrG う 和Thoughts on "Welcome to the Neig the fictional story beloW. 一 after our neighbors SI r almost a ye8T が y family greW used to it front yard. ster presentation entitled <Ou、 1 0 ェ ・ DO hood"” uSing information from hbor」 The house next door sat empty 司9 moved away in the summer of ya le" sign in the and no one was interested in the very CuriOUB about our new One day, the sign Wa8 gOne. 1 greW Es M Buf mmy Darents > children my oOwWT 8 6 4 Eh 0 B said my dad while 了 了 7 Re を weekend, a moving truck pulled up. ets meet the | neighbors!” T said. “Theyre busy moving im, Buf later never came. From my neighbors outside. They were a fun, hapPy couple in their 908. weekend, they inyited friends over. We saW several new cars on the Street and heard 1abghter next door. Whenever T asked about meeting the neighbor8。 too busy. My mom took a new job at her companツ and she Often Worked Jate. My dad started on a new project designing a large building for a Unrversity. One Sunday, ] pushed them a itlle. “Mom and Dad, you always say to be friendly to new kids at school, right?? "Of course, Mary,” my mom answered. “Youre jgnoring your own advice! HEs been months, and we havent welcomed our new neighbors yet!" “Now's not a good time, Mary,” she said. “] have an important meeting tomorrow.” TI just take 10 minutes,” 1 said. “Your mom s busy, Mary,” said my dad.“ And et SW youre right. TII go say hellonow” 6 + was disappointed not to go RUE glad wed馬 mly1 上 our neighbors. Soon, 10 minutes went by and my dad Mk Thnen 20, 30, and 40 minutes went by before he “Theyre friends withJeremy!” he said to 5 ? said my mom. cWel meet them later” my parents Were window, I sometimes saw the 1 15 20 25 30

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