Chemistry, 15.09.2021 22:40 dillionmaggio

It is known that 40% by mass of compound XY3 is substance X. While XY3 was formed from X and Y, all 24 grams of Y substance were used, and 16 grams increased from X. What is the mass of the initial substance X in grams?
16
24
32
40
64
same question here

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 13:20, drea445

What natural processes produce large quantities of co2

Answers: 1

continue

Chemistry, 22.06.2019 16:10, sierram298

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.

Answers: 1

continue

Chemistry, 22.06.2019 20:00, rafaelasoareschagas7

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.

Answers: 3

continue

Chemistry, 22.06.2019 22:30, angelagonzalesownus1

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.

Answers: 1

continue

You know the right answer?

It is known that 40% by mass of compound XY3 is substance X. While XY3 was formed from X and Y, all...