345345345435 345345345435
  • 03-05-2022
  • Chemistry
contestada

How many particles are in 0.645g of CaCl2

Respuesta :

jsimpson11000 jsimpson11000
  • 03-05-2022

Answer:

~ 3.5 x 10^21

Explanation:

Mole weight of Ca Cl2   ( from periodic table ) = ~~ 111 gm

.645 gm / 111 gm / mole   X  6.022 x 10^23  =

Answer Link

Otras preguntas

I need help please look at the picture and tell me what x equals thank you.
The 1980s - Early 21st Century Unit Test 1. Why was the rise of the conservative movement significant? A. The moral majority was one group that helped elect
Which MOST accurately evaluates the arguments presented in this speech?
What mass of copper is consumed in the reaction with hydrochloric acid if 10.0 g of gas is collected?
Accidents are the leading cause of death in kids 15 and younger. True or false
estimate 4.68×69.8÷4.98×72.8​
Three ways the Vietnam Memorial is controversial
Which best contrasts Newton's and Einstein's ideas? Newton believed that mass tells objects how to move. Einstein believed that the curvature of space-time tell
(−4)−(−2)–{(−5)–[(−7)+(−3)–(−8)]} Thanks 90 POINTS!!!!
In a _____ song, all the verses are sung to the same tune with a repeated chorus in-between. A. tonality B. monophonic C. strophic D. polyphonic