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

4. If x = 20 when y = -4, find y when x = 10.5. If x = 5 when , find y when x = 10.6. If x = 2.5 when y = 100, find x when y = 50.7. If when y = -105, find x

What is the x-intercept of -2x + 5y = 20 ? Question 1 options: 10 4 -4 -10

The strongest of the early presidents of Mexico was: a. Jose Maria Bocanegra b. Agustin de Iturbide c. Antonio Lopez de Santa Anna d. Vicente Guerrero e. Anasta

Which sentence uses the underlined vocabulary word incorrectly? A. The wounded child let out a deafening vociferation. B. The punitive plant could bloom up to s

The structure of the Articles of Confederation

A high school basketball court is 84 feet long and 50 feet wide. What is the diagonal length of the court?

Milwaukee—Pittsburgh is a megalopolis. A. True B. False

Which would be the closest synonym for the word petition?

Is 3^100/3^99 greater than, less than, or equal to 3?

Soil erosion is mainly due to which of the following reasons? wave action earthquakes heavy rainfall deforestation