Nenettecar434 Nenettecar434

07-11-2017
Chemistry

contestada

Gold has a molar mass of 197 g/mol. (a) how many moles of gold are in a 3.98 g sample of pure gold? (b) how many atoms are in the sample?

Respuesta :

ashdog08 ashdog08

09-11-2017

A.)49.4974874 moles or 49.5 moles
B.)2.980808730172671e+25 or 3e+25

Answer Link

Otras preguntas

what is the function form for 9y-4x-9=0

Perimetrul unui triunghi este de 84 de cm , iar latimea reprezinta 20% din lungime .Aflati dimensiune . Va rog sa scrieti rezolavat

If the absolute value of a negative number is 2.78 what is the distance on the number line between the number number it's absolute value? Explain your answer.

What were some of the important after-effects of the collapse of Soviet communism in 1991? Identify three ways this process affected Europe.

How would you define the progressive era?

Object A with a mass of 500 kilograms hits stationary object B with a mass of 920 kilograms. If the collision is elastic, what happens after the collision? A)B

How to write an expression using partial products to multiply 8 x 64

What is the official language of the United States? What benefits and problems do you see with this choice?

28 gallon increased by 250% is how many gallons.

The Lawsons want to drive the 288 miles to rainbow Falls in six hours .What should their average speed be in miles per hour