Chemistry, 20.08.2021 18:30 katlynnschmolke

Một hỗn hợp gồm MgO và Al2O3 có tổng khối lượng là 19,88g -Lấy hỗn hợp trên cho tác dụng với 200ml dd HCl. Sau phản ứng làm bay hơi thu được 47,38g chất rắn.
-Lấy hỗn hợp trên cho tác dụng với 400ml dd HCl có cùng nồng độ. làm bay hơi dd thu được 50,68g chất rắn
Tính nồng độ mol của dd HCl đã dùng

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 04:30

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Answers: 1

Answer

Chemistry, 22.06.2019 20:30

Are oil and water a mixture or solution

Answers: 2

Answer

Chemistry, 23.06.2019 00:30

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms

Answers: 1

Answer

Chemistry, 23.06.2019 00:30

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element

Answers: 1

Answer

You know the right answer?

Một hỗn hợp gồm MgO và Al2O3 có tổng khối lượng là 19,88g -Lấy hỗn hợp trên cho tác dụng với 200ml...

Questions

Mathematics, 27.10.2021 16:30

Serina and 2 friends go out for dinner. Their bill is $92.18. How much more would they pay if they left a tip of 20% instead of a tip of 15%?...

Geography, 27.10.2021 16:30

(b) When it is 2.00 p. m. in Greenwich, what is the local time in: (i) Sydney (long. 151°E) (ii) Chicago (long. 87° 30°W) (iii) Ku...

Chemistry, 27.10.2021 16:30

9038735228 ps: 97cEeT I need a gf I'm feeling heartbroken...

Mathematics, 27.10.2021 16:40

A line passes through the point (4,-5). It is parallel to the line passing through (2, -6) and (4, -5). What is the equation of the line?...

Chemistry, 27.10.2021 16:40

Sa ano kailan mo magagamit ang mga sawikain...

English, 27.10.2021 16:40

What lesson is implied in the story?pa help...

English, 27.10.2021 16:40

2.They usually made a visit to Vung Tau. → They used...

Mathematics, 27.10.2021 16:40

Cheyenne's car is in the shop, so she needs to rent a car for 4 days. The cost of a rental car is $24.99 per day, and she will be charged $0.18 per...

Mathematics, 27.10.2021 16:40

As part of a campaign to promote it's annual clearance sale...

English, 27.10.2021 16:40

Read the following excerpt from The Adventures of Huckleberry Finn by Mark Twain. The widow she cried over me, and called me a poor lost lamb, and s...

Mathematics, 27.10.2021 16:40

2 1/3 + 3 1/4 as a fraction...

Geography, 27.10.2021 16:40

Guys see my dp leaveing for always...

Physics, 27.10.2021 16:40

is the change over time in populations of related organisms. 1. Chemical evolution 2. Physical evolution 3. Biological evo...

Mathematics, 27.10.2021 16:40

If you can help please do! Thank you! ...

Physics, 27.10.2021 16:40

Substitute the values of p and y into the expression -p2 + 2pq -3p2 - 3q2 + pq - q2. Match that value to one of the numbers. 1. p = √3, q = √27

Business, 27.10.2021 16:40

Siobhan's boss asked her to take over a project with several problems. What is the first step Siobhan should take in tackling the problems?...

SAT, 27.10.2021 16:40

Small town tell me in meaning...

Mathematics, 27.10.2021 16:40

Please help me with this sum ...

History, 27.10.2021 16:40

The woman's rights movement is now more strongly organized and has penetrated the society. There are many causes for this: women's greater freedom of...

Mathematics, 27.10.2021 16:40

D/dx (sin^3 x) = d/dx (sinx sinx sinx) = ? 1. cos x sin^2x 2. 1+2 sin^2x cos x 3. 3 sin^2x cos x 4. 2 sinx cos x+sin^2x cos x

More questions: Chemistry Another questions