03-03-2017
Chemistry

contestada

How many moles are present in a 120.0g sample of calcium

Respuesta :

layalsabouni05 layalsabouni05

03-03-2017

I THINK this is the answer: 4809.35999999786. (found it on a website)

Answer Link

Lcymllr Lcymllr

03-03-2017

you have 120 grams and in one mol of Ca is 40.08 g of Ca (the mass of Calcium) so you divide 120/40.08 to get 2.991 moles of Ca

Ver imagen Lcymllr

Answer Link

Otras preguntas

I need help, to see if i got it right

Can someone please help me please?

Suppose PQ has one endpoint at P(0, 0). If (2,5) is the midpoint of PQ, what are the coordinates of point Q?

WHERE DO THE NUMBERS GO? help!!!!!!

for the below image, label the 13.polar area and 14. non- polar area on the diagram

if A=x² +xy-6, B=6xy-2x² +1 and C= 3x² +7 -3xy,find :(i) A+B+C (ii)A-B+C (iii)A+B-C

Identify the figurative language and define it. His fingers were a blur as he typed his story.

Write an equation in slope-intercept form for the line with slope −2/3 and y-intercept 2.

Solve the equation. 2(3x+5)=46

HELP PLEASE ANSWER ASAP THANK YOU! ILL GIVE YOU 13 points I’ll give you a second reward which is the second picture