hiiiiii33jj hiiiiii33jj

24-07-2018
Chemistry

contestada

CHEM HELP PLEASE (:

How many grams do
1.3 x 10^21 atoms of sodium weigh?

Respuesta :

Plasmataco Plasmataco

24-07-2018

1.3 x 10^21 atoms Na is 4.63230769231 mol Na

4.63230769231 mol Na * 23g/mol Na = 106.543076923g

Answer Link

Otras preguntas

2x squared + 9x=-5 i need to solve for x

A potter use 3/5 of a pound of clay to make a bowl.How many bowls the potter make from 10 pounds.

Why can't you factor 2cosx^2+sinx-1=0 ?

Exercises1. The sum of both numbers of a number is 14. On having exchanged the numbers of the tens with that of the units, the number increases in 18. It finds

If a 25 ft rope is cut into two sections with one section 4 times as long as the other section, how long is the shorter piece?

Alicia has a gold bracelet and a silver bracelet. She has a black ring, a blue ring, a brown ring, and a white ring. She also has a gold necklace and a silver n

A 1/2 gallon of paint covers 1/6 of a wall. How much paint is needed to cover the entire wall? Could u show me how to do this question?

The diagram below shows the graph of which inequality?

a bottle contains red marble and blue marbles. a marble is chosen at random and not replaced. then a second marble is chosen at random. determine the probabilit

1. Juan bought a pair of shoes costing P923.00 and a tie costing P275.00. He gave the seller P2, 000.00. How much change did he receive?