Didiquake Didiquake

01-07-2017
Chemistry

contestada

What is the mass, in grams, of a sample of 1.72 × 1023 atoms of potassium (K)?

Respuesta :

LeChatNoir LeChatNoir

01-07-2017

6,02×10²³ ------ 39g
1,72×10²³ ------- X
X = (39×1,72×10²³)/6,02×10²³
X = 11,143g K

Answer Link

Otras preguntas

Each week, Carrie works 40 hours. She spends 15% of her time at the register, 30% of her time greeting customers, and the remainder of the time performing maint

How do you solve this with the fractions?

Taylor and Jesse are buying a magazine for $3.75 and a snack for $2.49. What is the total cost of the two items?

no idea need answers

Which of the following is a function equivalent to f(x) = 5(1.9)3x? f(x) = 34.29^x f(x) = 5(6.86x) f(x) = 5(6.86)^x f(x) = 328.51^x

John locke maintained that our consciousness of our self is what provides our identity over time.

Find f`(x) for the following function. Then find f(5),f(0),f(-9). f(x)=2x+1 (simplify)

Read the excerpt from Warriors Don't Cry. The next day, in the Sunday paper, I saw a pitiful closeup photograph of Elizabeth, walking alone in front of Central

How many grams of N2 are required to produce 240.0g NH3?

? For a World War II research paper on political regimes, you decide to use a Venn diagram to better understand the political differences between Nazi Germany a