Предмет: Химия, автор: zghaknb

визначити масу 0 4 моль kmno4
ПОМОГИТЕ ПОЖАЛУЙСТА!​

Ответы

Автор ответа: pchelkin5
0

Ответ:

Объяснение:

m(KMnO4) = 0,4 * 158 = 63,2 г.

pchelkin5: найкраща відповідь, якщо не складно
Автор ответа: danikmarcuk940
0

Объяснение:

Если имел ввиду, что n=0.4,тогда

m=n*M

m=0.4*158=63.2

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Қазақ тiлi, автор: зимушка2005
Помогите пж 2 тапсырма
2 года назад
Предмет: Русский язык, автор: ангелина489
помогите пж с 105 у пражнением
2 года назад
Предмет: Английский язык, автор: Irina676
Помогите пожалуйста :((
Choose the right answer. Only one answer is correct.
1) ... a lot of traffic in Tokyo.
a) It is, b) There are, c) It was, d) There is
2) ... that year the Browns lived in Brighton.
a) — b) In, c) On, d) At
3) This must be ... man your friend spoke about.
a) a, b) any, c) the, d) some
4) The reporter ... for a long time, but didn't say anything.
a) speak, b) told, c) spoke, d) said
5) You had ... to make this trip. Why didn't you use it?
a) a case, b) the chance, c) a chance, d) the occasion
6) Can I give you ... advice?
a) the, b) an, c) —, d) these
7) It's ... today, than yesterday.
a) the hotter, b) the hottest, c) much hotter, d) much more hotter
8) We have got ... fruit in our garden than we had last year.
a) less, b) much, c) few, d) little
9) Ted has been happy ... they came to San Francisco.
a) before, b) till, c) since, d) when
10) Have you ever watched the sun ...?
a) raise, b) rise, c) is rising, d) is raising
11) I can't help ... economical.
a) being, b) to be, c) my being, d) be
12) I ... to become an English teacher.
a) have wanted, b) have always wanted, c) has always wanted, d) had wanted
13) I'd love to see this play.— ....
a) So had I, b) So do I, c) So did I, d) So would I
14) They lived in a ... village.
a) Lovely old little, b) old lovely little, c) little old lovely, d) lovely little old
15) Since then the monster ... at least once a year.
a) saw, b) has been seen, c) has seen, d) is being seen
16) The doctor asked how long ... the medicine.
a) would I take, b) I had been taking, c) had taken, d) I took
17) I can give you this book. You ... go to the library.
a) wouldn't, b) needn't, c) may not, d) can't
18) Did you see Mary ... Easter?
a) on, b) —, c) at, d) in
2 года назад
Предмет: Қазақ тiлi, автор: ilona1330
Болшектик сан есимдерден сойлем кура.
Оннан бир, ширек гасыр, бир жарым, еки бутин оннан бес, уштен бир, торттен еки.
8 лет назад
Предмет: Математика, автор: ruslan3320
здравствуйте,помогите решить уровнения(решение обезательно)
8 лет назад