glennsheila346 glennsheila346

01-03-2021
Chemistry

contestada

how many moles are in 20 grams of Ar?

Respuesta :

drpelezo drpelezo

01-03-2021

Answer:

moles Ar in 20g = 0.500 mole Ar

Explanation:

moles = grams given / formula weight = 20g / 39.948g·mol⁻¹ = 0.500 mole Ar

Answer Link

Otras preguntas

Romeo kills pairs because A. he is angry and mad with grief B. they are rivals for Juliet's love C. he is Capulet D. Paris has killed Mercutio

(QUICK ANSWER PLS) Who became leader of Jamestown after John Smith? was it... a.)Thomas dale b.) John Rolfe c.) Pocohantas d.) Sir Walter Raliegh

Which word helps identify a cause and effect essay?

*HELP PLEASE* Events A and B are disjoint. P(A) = 40/61 and P(B) = 2/61. FIND P(A or B)

What is an electrolyte? a. a compound that dissolves in water b. a compound that conducts electricity when dissolved in water or when molten c. a metal or metal

Which of the following statements is true? The atmosphere is an example of a solution. In a glass of sugar water, sugar is the solvent. The individual substanc

What is the next term in the following sequence? 12,6,3,...

how many hours are in 5 years?

what is the correct answer

Which bases are found in strands of dna