В колбу осторожно отсыпали 0,2 моль сульфата натрия, а затем добавили 0,7 моль сульфида меди (II). Определите массовую долю серы в полученной смеси (в %, ответ округлите до десятых). Атомную массу меди примите равной 64.

a. they are both space stations

happy to

pls mark as brainliest.

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be