xato2003
18.08.2021 13:20
Химия
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Writing Task 2. Choose and write prepositions: on, between, under, in front of, in,
the cage.
the table.
1. There is a parrot
2. The ball is
3. The pictures are
4. The woman is
the wall.
the dog and the cat.
5. The woman is
the sofa памагите

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м080878
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Mr(cacl2)=40+2*35.5=111 w(ca)=40/11=0.36=36% w(cl2)=71/111=0.64=64% mr(na2o)=23*2+16=62 w(na2)=46/62=0.74=74% w(o)=16/62=0.26=26%

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