subject
Chemistry, 03.09.2021 05:40 boo3972

Cho 10,2 gam hỗn hợp A gồm Mg và Al phản ứng vừa đủ với dung dịch H2SO4 19,6%, sau phản ứng thu được 11,2 lit H2( đktc) a. Tính % khối lượng mỗi kim loại trong A.
b. Tính khối lượng dung dịch H2SO4 cần dùng.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 22:00
Which of the following statements is true about planck’s law
Answers: 1
question
Chemistry, 22.06.2019 10:50
A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.
Answers: 3
question
Chemistry, 22.06.2019 15:20
Fossil fuels are organic compounds that are made from
Answers: 1
question
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
You know the right answer?
Cho 10,2 gam hỗn hợp A gồm Mg và Al phản ứng vừa đủ với dung dịch H2SO4 19,6%, sau phản ứng thu được...
Questions
question
Mathematics, 04.11.2020 22:00
question
Mathematics, 04.11.2020 22:10
question
Mathematics, 04.11.2020 22:10
question
Mathematics, 04.11.2020 22:10
Questions on the website: 13722367