K1ovdavivorD K1ovdavivorD

30-07-2016
Chemistry

contestada

If a sample of pure calcium (Ca) contains 4.69 x 1022 atoms of iodine, how many moles of calcium are in the sample?. A) 0.0779 mol. . B) 0.130 mol. C) 7.78 mol. D) 12.8 mol

Respuesta :

oopsydaisy oopsydaisy

03-08-2016

If a sample of pure calcium 9Ca) contains 4.69 x 1022 atoms of iodine, there are 0.0779 moles of calcium in the sample. The correct answer will be A.

Answer Link

Otras preguntas

Use the excerpt from Byron's poem "Darkness" below to answer the question A fearful hope was all the world contain'd; Forests were set on fire—but hour by hour

differenciate between larva of culex and that of anopheles on the basis of feeding habit

What is a primary source? A.A textbook that explains a wide range of science topics B.A technical article written by an experimenter C.A newspaper article about

Write an equation in Slope-Intercept Form with a slope of 12 and passes through (−4,3).

What is demography ?What is demographic components?

What is the value of x in the equation -6x = 5x+22?

Help please! I’m in math and I suck at this kind of stuff

What is the size of the matix resulting from [4 -1 0] x [2 1 0 -3 -7 2 1 -5 2]

Anwser this please !!!!

Can someone please help me? I just need these question for finish my test.