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化学 高校生

(1)ウの2個目の式で、 弱酸からできたNa2CO3とHClで弱酸のゆうりが怒るのではないのですか?これはどうして中和反応が起こってますか?   問4の炭酸ナトリウムの質量の求め方教えてください。 価数1なのですか?

34 <段階測定による炭酸ナトリウムの定量① 静岡県立大学|★★★★☆ 10分 実施日/ 実験100 * 水酸化ナトリウムと炭酸ナトリウムの混合物がある。この混合物を,煮沸 して冷却した 40.0mLの水に溶かし、フェノールフタレインを指示薬として (分) 0.500 mol/Lの塩酸で滴定した。 溶液が変色するのに要した塩酸の量は 22.0mL であった。この液にメチルオレンジを加え、再び同じ0.500mol/Lの塩酸で滴 定した。 この滴定に要した塩酸は 3.00mLであった。 Jn 0.08 2 問1 下線部(ウ)および (エ)で起こる反応をそれぞれ化学反応式で記せ。 ✓ 問2 下線部 (イ)の煮沸の操作は,より厳密に定量するために行っている。 その理 由を, 句読点を含め20字以内で記せ。 品 ✓ 問3 実験で水酸化ナトリウムのみを中和するために消費された 0.500mol/Lの 塩酸の体積 〔mL] を, 有効数字2桁で答えよ。 □問4 下線部(ア)の混合物に含まれる水酸化ナトリウムと炭酸ナトリウムはそれぞ れ何gであったか, 有効数字2桁で答えよ。 ee 指 = A (イ) 用い えて さら ■ 問 1 [1 図[2 ✓ 問 2 [

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英語 高校生

教えてください💦

1 Choose the best answer to fill in the blanks. (1) (1) Three years ( 3 ) since I came here. 1 pass 2 were passed (2) ( Many ) all of the houses have been sold. 2 Mostly (3) I have nothing to do ( 1 to 2 for (4) The new amusement park is ( 1 fifth time as large 3 five times as large (5) She was born ( Dat... by ... on (6) If I ( 1 win (7) There isn't ( 1 a few (8) She tries to do ( 1 what ) Kyoto ( 2 in... on in (11) The window ( 1 leave 3 have passed ) the affair. (10) The new station building ( will have been 2 has (12) I wanted to see ( D1if 3 Almost 3 about ) as the old one. 2 while ) a million dollars in the lottery, I would travel around the world. (2) won 3 winning 4 will win 2 fifth time larger five times larger ) July 7, 1977 ( 3 in ... on ... at ) her mother did in the past. 2 how 3 when ) information on this topic in the library. (3) an 2 many (13) ( -) that this is a serious matter. You are important realizing 3 You are important to realize ) open by the child. 2 leaves 4 passed (9) An event ( ) French culture was held at our university last week. having been introduced 2 introduced 4 which introduce 3 introducing The most 4 with 3 left ) all the members had arrived. 3 who 4 which ) 7:17 in the evening. 4 on at ... at 4 much 4 which ) completed by the time you return from your year abr 3 has been 4 to be (亜紀 (4) was left 5 what (東京 2 It is important for you realizing It is important for you to realig (京都 (大阪 (京都 ( (九州産

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英語 高校生

解答を教えてください🙇

LESSON 9 Quome: Bryor 1 Choose the best answer to fill in the blanks. (1) (1) When I was a would (2) You've got ( 1 a few eggs child, I ( 2 should ) on your tie. 2 an egg ) often play baseball with my friends. 4 might 3 must (3) He has such a soft voice that I can ( hardly ℗ hard (4) She cannot speak English, ( nor better 2 nor less (5) The crowd watched the firefighter ( climbing 2 climbed (7) His arguments forced them ( 1 admit to admit Did you have fried eggs for breakfast? dime 3some egg 4 some eggs (9) His English essay was ( ). 1 superior than Carl's 3 superior to Carl's (11) He told me that he ( 1 had never been was never (12) Willy was surprised ( hear (13) The foreigner was used ( 1 handle ) hear him. 3 already ) French. (6) Let's stay home and watch a movie (Y) it's sunny tomorrow. 1 although as soon as 3 even if 4 when 2 to be heard 3 much better 2 handling 1) the ladder. 3 to climb ) he was right. 3 admitted (10) We then moved to Paris, () we lived for six years. 3 where 1 that 2 which ) to America before. ) the news. 4 admitting (8) It is not that I dislike my new job (___) that the working hours are too long. 1 so 2 with 3 for but (神戸学院 4 yet superior for Carl's 4 superior as Carl's 4 to have climbed much less 2 never comes 4 will never come 3 by hearing ) a pair of chopsticks. 3 to handle FERONE 4 what (センター 4 to hear (黒 to handling 2 (1 (2 (創 (名塩 RETESAHONE ( (学) (北海道 GR

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英語 高校生

答えがあっているかと空いてる部分の答えを教えて頂きたいです🙇‍♂️🙇‍♂️お願いします!!

3 Choose the best answer to fill in the bla (1) A: When do I need to register by? of とうろく B: ( ) A: OK. So any time is fine. It's too late now. It's up to you. 28 bajquip diw qu Jug give me a ride. Do you have the time? 3 Where can I ask for help? 2 You need to. 4 It's by the desk. ICON 9197 (2) Linda: ( ) „boquis sit ni hasri blo ait tein rudrabreny vin some w (2) Haround S you Adam: Sure. How can I help you? Linda: I need to go to the supermarket tomorrow. I'll appreciate it very much if Steatroo doosqe tart ni haq lut of prior no TOT enamblists aris to ogrinevhs sloot you 93191 2 Who can help me out? 4 Would do me a favor? you minor s It tastes great. maidony du mean best Danok's bevies (3) Mary: Everyone will be here soon. Judy Hey, that salad looks really good. Do you mind if I try some? Mary: ( vilevaso visinobibos (S spomini D Judy Thanks a lot. Mmm No, not at all. Go ahead. 3 Yes, I do mind. (2) 洋子へのプレゼントを買うのを手伝ってください。 Please help (me/a/buy/present / Yoko / for). (STRO 2 I have no reason. 4 Are you sure it's okay? 4 Put the words in the correct order. (1) (1) アドバイスを求められて, 私は何と言っていいか途方に暮れた. Asked for advice, I (to/a/say/was/at/loss / what). me buy a present for Yoko (3) あなたはにんにくが何によいか知っていますか. (you/ for / good/do/garlic/is/know/what)? Do you know what garlic is good for you (4) 私はおもしろければどんな本でも読みます . I (interesting / any book/ as long / will read/as it /is). will read any book as long as it 9au ahig ow) C 901fon is interesting il ton en vleesimis 35423366 (5) 政夫は少しの間友人のイヌの世話をするように頼まれました. for a Masao (his friend's dog/look/to/a/ asked/for/after/was) while. was asked to take care of his friend's dog ET TU (北海 (大阪

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