subject
Chemistry, 18.01.2021 14:00 blackkiki4352

2. Andrei prepară în laborator o soluție de zahăr prin amestecarea a 655 g de apă cu 245g de zahăr. Se cere: a) Notează masa de solvat si masa de apă din soluție. 0.5p
b) Calculează masa de soluție formată și concentrația ei procentuală. 1 p
c) Notează dacă soluția obținută de Andrei este diluată sau concentrată. 0.5 p
d) Peste soluția preparată mai sus Andrei adaugă 50g de zahăr. Ce concentrație procentuală are noua soluție formată. Îmi trebuie răspunsurile rapid

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 04:00
Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
Answers: 1
question
Chemistry, 22.06.2019 05:30
What happens to the atomic radius when an elctron is lost
Answers: 1
question
Chemistry, 22.06.2019 08:30
Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.
Answers: 3
question
Chemistry, 22.06.2019 08:50
If two atoms are bonded to a central atom with no lone pairs,how will they be arranged
Answers: 3
You know the right answer?
2. Andrei prepară în laborator o soluție de zahăr prin amestecarea a 655 g de apă cu 245g de zahăr....
Questions
question
Mathematics, 15.12.2020 08:30
question
English, 15.12.2020 08:30
question
Mathematics, 15.12.2020 08:30
question
Health, 15.12.2020 08:30
question
Mathematics, 15.12.2020 08:30
question
Mathematics, 15.12.2020 08:30
Questions on the website: 13722361