HannahB2001 HannahB2001

12-11-2016
Chemistry

contestada

How many atoms of phosphorus are in a 0.859 g sample?
Answer in units of atoms.

Respuesta :

AhmatFirz AhmatFirz

17-11-2016

Moles = Mass(g) / ar
Moles of phosphorus = 0.859 / 31
= 0.0277096774

1 mole = 6.02 × 10^23

Atoms of phosphorus = 0.0277096774 × 6.02×10^23
=ans.

sorry i cant do the calculation. I dont have a calculator with me.

Answer Link

Otras preguntas

Thomas Paine was serving as an enlisted soldier in the Continental Army when General George Washington asked him to read his pamphlet The Crisis, No. 1 to the t

At the entertainment store, you purchased some quantity of video games and some quantity of movies. Video games cost $28 each and movies are $8 each. The total

What made it difficult for early united states leaders to maintain neutrality during conflicts between france and great britain? the united states national bank

The _______ is the central pillar of the main doorway of a Romanesque church. A. mosaic B. Doric column C. trumeau D. stupa

Which cause did Sullivan Ballou support?

Find each product or quotient. use significant digits. 0.405 m 553 m a. 224 m2 b. 223.97 m2 c. 223.965 m2 d. 223.9 m2

The percent composition of carbon in C6H12O6 is

The volume (V) of water stored in an open tank varies due to evaporation as V = xÊ – 50xÆ + 700, where V is expressed in gallons and x is the number of months e

which measure of central tendancy is found by calculating the sum of all data in the set divided by the number of data values in the set? median mean mode inter

The pressure differences that make wind happen are caused a. by a sudden drop in humidity. b. when water vapor in the air rises then falls. c. by accumulatio