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nf781
24.04.2022 01:17
Химия
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B: Dont 2
Read the text and choose the right words for each space.
Carol and Fiona , to go to Paris on holiday, because
Carol had some friends there. They 2
much money so
they
3 to go by coach. After eleven hours on the coach
they in Paris, exhausted. When they ... the
coach, Carol's friends 6 for them. It was the beginning
of an amazing holiday,
1 a wanted
b were wanting
c did want
2 a weren't having b didn't have c had not
3 a decided b were deciding C were decided
4 a were arriving barrived
Carrive
5 a get off b were getting off c got off
6 a waited
b were waiting c waiting 7 класс
​

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Ответы на вопрос:

Асемаmail
Асемаmail
4,4(52 оценок)

1.Wanted

2.Didn't

3.Got off.

Ecli
Ecli
4,7(98 оценок)

1) w(соли) = m(соли)÷m(p-pa)

m(p-pa) = m(воды)+m(соли) = 50+150 = 200г

w(соли) = 50÷200 = 0,25*100% = 25%

2)М=500*10/100=500*0,1=50 m2=250*0,2=50 m3=50+50=100 m3р-ра=500+250=750 W3=m3/m3р-ра=100/750=0,133*100\%=13,3\%.

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