21-12-2014
Chemistry

contestada

how many moles are represented by 250g of platinum?

Respuesta :

Аноним Аноним

23-12-2014

You take the atomic mass of Pt and that equals how many grams are in a Mole. Divide that number by 250 and that will be the amount of Moles you have

Answer Link

Otras preguntas

Does anybody know this

HELP URGENTLY: Which equation defines a function with a zero at 7? A. y=x^2+7x+10 B. y=x^2+9x+14 C. y=x^2-9x+14 D. y=x^2-7x+10

Mendeléyev diseño su tabla casi al mismo tiempo que un químico alemán llamado Julius Lothar Meyer, quien la publicó un año después. No obstante, finalmente se i

Please help! This is due by 11:59 today! If you don't know everything, please answer what you know.

Romeo and Juliet, please answer

9. Do you think that squid have the same type of body organization that humans do? (i.e. cells form tissues which form organs which form systems) Why or why not

A sphere with radius 10 cm is filled with a uniform charge distribution. The magnitude of the electric field at a point 5 cm from the center of the sphere is 30

Please find the value of x

both Social Security and Medical Care was forr

The two rectangular prisms shown have bases with the same area. Which statement is true?