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 am an even number I haven't ate in the tens place you do not send me when you come by chance I am greater than 0 but less than 84

What’s the answer for this

What are multiple alleles

The midpoint of the line segment from P, to P2 is (- 1,7). If P, = (- 9,8), what is P2

The box plots display data collected when two teachers asked their classes how many pencils they lose in a school year. A box plot uses a number line from 0 to

Triangle A’B’C’ is the image of triangle ABC. On a coordinate plane, triangle A B C has points negative 4, negative 1), (negative 5, negative 5), (negative 3,

What does odd exponent look like when graph? a. U-shaped curve b. Straight line c. Symmetric with respect to the y-axis d. Irregular pattern

A rectangular piece of platinum has dimensions of 3.50 cm x 2.16 cm x 1.08 cm and weighs 175.5 g. What is the density of platinum? a. 21.37 g/cm³ b. 24.25 g/cm³

b. What is the circumference, in inches, of the front tire of Susan's bike? (3 points) Work: Answer c. What is the diameter, in inches, of the front tire of Sus

Write an expression for the calculation 3 added to 6 times 4 plus 3.