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Tanya [424]
3 years ago
12

Dyfuzja co to jest i na czym polega

Chemistry
1 answer:
Olenka [21]3 years ago
5 0
What did you write I don't understand
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A customer experiences worsening side effects in response to a prescription. What do you suggest to them?
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8 0
2 years ago
how many kilograms of water must evaporate from 8kg of a 25% salt solution to produce 40% salt solution?
Lena [83]

Answer: The kilograms of water must evaporate from 8kg of a 25% salt solution to produce 40% salt solution is 3 kg.

Explanation:

According to the ratio and proportion:

C_1m_1=C_2m_2

where,

C_1 = concentration of ist solution = 25%

m_1 = mass of ist solution = 8 kg

C_2 = concentration of second solution = 40%

m_2 = mass of second solution = ? kg

25\times 8=40\times m_2

m_2=5kg

Thus the final solution must have a mass of 5 kg , i.e (8-5)= 3 kg of mass must be evaporated.

Therefore, the mass that must be evaporated from 8kg of a 25% salt solution to produce 40% salt solution is 3 kg.

6 0
3 years ago
Can someone plz help me???? will mark as brainliest!!!!!!!!!!!
Nookie1986 [14]

1=c    2=a     3=b

i hope these answer your questions


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I NEED HELP ASAP WILL MARK BRAINLIEST!!!
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