Предмет: Химия, автор: viktoriyatovkach

Визначити молекулярну масу речовини крохмалю,що містить у своєму складі 6 атомів Карбону,10 атомів Гідрогені та 5 атомів Оксигену.

Ответы

Автор ответа: vladaplisak2003

0

Mr (C6H10O5) = 6 * Ar (C) + 10 * Ar (H) + 5 * Ar (O) = 6 * 12 + 10 * 1 + 5 * 16 = 162

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Физика, автор: talshynb2010

1. Массасы 60 т танктын жерге түсiретiн кысымын аныкта, онын шынжыртабанынын ауданы 1,5 м²: (g = 10 м/с²) A) 4-10 па B) 4-105 Па C) 4-108 Па D) 4-103 Па E) 4-105 па

1 год назад

Предмет: Русский язык, автор: turgunovaakmoor0

Какая лексика не характерна для разгаворного стиля

1 год назад

Предмет: Английский язык, автор: lejla4538

Summative assessment of the Term 1. Grade 8 Variant 2 1. (B) Choose the correct answer. I had a drink of like real fruit A) grilled meat B) cola in the cafe. It tasted C) sweets D) lemonade 2. (B) Choose the correct answer. Why don't you have a your burger? It's healthier than chips. A) pancake B) salad C) fried onions D) mushrooms 3. (B) Choose the correct answer. A with is smaller than a laptop, but bigger than a mobile phone. You can play games on it and use it to go online. A) cameras B) tablet C) memory D) mouse 4. (B) Choose the correct answer. describes cameras and clocks that record information as Os or Is. A) memory B) machines C) digital D) virus 5. (Q) Choose the correct answer. David is very good at playing football, but Jason is A) best B) the best C) better D) good 6. (Q) Choose the correct answer. day of my life. It was A) the most happy B) the most happiest C) the happiest D) happier than 7. (Q) Put the words in the correct order. I/be/bad/singer in our class. A) I am worst the singer in our class. B) I am in our class the worst singer. C) I am the singer worst in our class. D) I am the worst singer in our class. 8. (Q) Put the words in the correct order. My best friend/be/ friendly/person in our class. A) My best friend in our class is the friendliest person. B) My person is best friend the friendliest in our class. C) My best friend is the friendliest person in our class. D) My the friendliest best friend is person in our class. 9. (Q) Choose the correct answer. A: I can't move my leg and I think it's broken. B: You (walk) on it. A) should walk B) shouldn't walk C) must walk D) shouldn't walking 10. (Q) Choose the correct answer. A: I'm going to the gym to get fit for the race. B: You (cat) lots of sweets and chocolate when you want to get fit. A) should eat B) have to eat C) must eat D) shouldn't eat 11. (Q) Choose the correct answer Oh no! I've got a stomach A) ache B) hurt C) cold D) broke 12. (Q) Choose the correct answer. I'm going to get run in the race. A) sick B) fit C) broken because I want to D) ache 13. (Q) Choose the correct answer. Oliver is 12 years old and Jessie is 12 years old. Jessic. (old) Oliver is A) not as old as B) as old as C) older then D) the oldest 14. (Q) Choose the correct answer. Jake is 1.50 m tall. Freddy is 1.45 m tall. Freddy is Jake (tall) A) taller then B) the tallest C) as tall as D) not as tall as

1 год назад

Предмет: Математика, автор: taisiakorzhavina

Пожалуйста помогите. Придумаете число при деление которого на 22 получится остаток 11. С обьяснением. Чтобы я умела сама такое решать. Даю 20 балов

7 лет назад

Предмет: Химия, автор: KOJIOCOK

В каких единицах измеряется молярная масса: 1) моль; 2) г/моль; 3) г; 4) а.е.м?

7 лет назад