monikaleon10 monikaleon10

13-02-2022
Chemistry

contestada

How many atoms are in 20.5 mg (miligram) argon.
Express answer in scientific notation

Respuesta :

SenorMathWiz SenorMathWiz

14-02-2022

Answer:

3.09 x 10²⁰ atoms

Explanation:

We want to find the number of atoms in 20.5mg of argon.

We can use dimensional analysis to do so.

See attached image for table.

Needed conversions:

1g = 1000mg
1 mol of Ag = 39.948g
1 mol = 6.022 x 10¹³ atoms

Ver imagen SenorMathWiz

Answer Link

Otras preguntas

Let μ denote the true average reaction time to a certain stimulus. For a z test of H0: μ = 5 versus Ha: μ > 5, determine the P-value for each of the followin

Using traditional methods it takes 9898 hours to receive an advanced flying license. A new training technique using Computer Aided Instruction (CAI) has been pr

What is fiat money? A. an asset that has the ability to be easily converted into the medium of exchange B. money that has value independent of its use as mon

Find the distance between the points (1, 0) and (0, 2). √3 √5 1

Roma tomatoes can produce up to 150 tomatoes per plant. If Marium plants 5 plants and expects to lose 6% of her crop, how many tomatoes will Marium have?

How many moles of ZnCl, will be produced from 23.0 g of Zn, assuming CuCl, is available in excess?

Read this excerpt from “Cool Eye Tricks." Your brain takes information from both of your eyes to make one image. One eye sees a hole, and the other sees a hand.

What is the equation of the linear function represented by the table?Graph: x y –5 14 –2 11 1 8 4 5

An ant moves 18 millimeters every 5 seconds A beetle moves 8 inches every 3 seconds The Garden is 13 yards long (or it could be 13 inches, I kinda forgot) 1.

A couple questions And so my grandfather sat on the narrow wooden bench in the little room while Gertrud the maid counted out the wrapped four-ounce packages of