sanaimoore15 sanaimoore15
  • 17-10-2021
  • Chemistry
contestada

moles of Zn(NO3)2 in 143.50 g of this substance
Express your answer in moles to four significant figures.

Respuesta :

shortrando shortrando
  • 17-10-2021

Answer:

0.76 moles

Explanation:

mole = mass ÷ molar mass

mass = 143.50

molar mass = 189.36

189.36÷143.50 = 0.757 = 0.76

Answer Link

Otras preguntas

Help pls and thank you
what are the best classes to take in high school after gen psychology? (similar classes)
Which function,g or h,is the inverse function for function f?
which expression can be used to convert AU$22 in the US dollars
The mass spectrum of the element Sb is most likely represented by which of the following? A. 122 Atomic Mass B. 121 and 123 Atomic Mass C. 120, 123 and 124 A
What is the graph of the line 4x + 2y = 6?
Plz help will mark brainliest
simplify _ √20+10(1+2 √2)​
Lisez la réponse suivante. Quelle question a-t-on posée ? Choisissez toutes les questions possibles. - ____________________ ? - Je n'ai rien fait ! Qu'est-ce qu
x3 = 25 help me for 20 points :D