Question

plsssssssssss 6 sau 7​

Answer 1

Explicație:

6. ms1=300g

c1=10%

c=md/ms*100

10=md1/300*100

md1=30g

ms2=150

c2=30%

30=md2/150*100

md2=45

cf=md1+md2/ms1+ms2*100

cf=30+45/300+150*100

cf=16,666

7.ms=100

c1=20%

c2=10%

mh2o?

20=md/100*100

md=20

mh201=ms-md=80

10=20/ms*100

ms=200

mh2o2=ms-md=180

mh20f=100