marlonmtzbrMmmmm marlonmtzbrMmmmm

20-06-2017
Chemistry

contestada

How many molecules are in 67.0 grams of potassium chloride KCl

Respuesta :

20-06-2017

67g KCl(1 mol KCl/74.55g)=0.8987256875 mol KCl
0.8987256875 mol KCl(6.02*10^23 molecules/ 1 mol)
=5.410328638*10^23 molecules KCl

Answer Link

Otras preguntas

which colloid is expensive but rapidly expands plasma volume?

Teresa takes classes at both Westside Community College and Pinewood Community College. At Westside, class fees are $98 per credit hour, and at Pinewood, class

Fifty-year-old Henry has always been a hardworking individual. He teaches at a local school and earns just enough to provide for his family. He strives to be a

.name three fractions that are equivalent to 2/5

The standard enthalpy of formation of liquid water is −285. 8 kj/mol. Which equation corresponds to the standard enthalpy of formation for liquid water?.

Identify cause and effect how did hinduism become a diverse religion with many gods and goddesses and many forms of worship.

For each of the following situations, one or more pairs of surfaces in contact is indicated by an arrow. For each pair of surfaces, indicate whether the force o

Can someone rewrite this to sound more professional? Make sure the word "I" or "I'm" is not representative. (It's for a school project) I'm applying for this jo

Conquering Greece was just a first step for Philip ii what was his real goal

Marathon runners are encouraged to stop at water stations along the course to stay hydrated. However, occasionally a runner drinks too much water and suffers fr