Chemistry
Chemistry, 08.09.2021 18:20, jmt13happy

Cho 87g hỗn hợp X gồm: cu, al, fe chia làm 2 phần bằng nhau Phần 1: Tác dụng với dung dịch hno3 đặc nguội dư thu được 11,2 lít khí
Phần 2: tác dụng với dung dịch HCl dư thu được 22,4 lít khí
Tính % khối lượng mỗi kim loại trong hỗn hợp ban đầu

answer
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 18:00, jen6815
Easy definition for atom and atomic mass
Answers: 1
image
Chemistry, 22.06.2019 14:30, crysmrod
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 3
image
Chemistry, 22.06.2019 18:00, kingamir
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
image
Chemistry, 22.06.2019 22:30, arodavoarodavo
Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.
Answers: 3
Do you know the correct answer?
Cho 87g hỗn hợp X gồm: cu, al, fe chia làm 2 phần bằng nhau Phần 1: Tác dụng với dung dịch hno3 đặ...

Questions in other subjects:

Konu
Mathematics, 14.07.2019 15:00