liliagadjanian0309 liliagadjanian0309
  • 01-07-2021
  • Chemistry
contestada

3. How many moles are present in 100 g of Ca(NO3)2?
PLEASEEE HELP ASAPP

Respuesta :

ahmedhassan77780 ahmedhassan77780
  • 01-07-2021

0Answer: 0.6094

Explanation:

no of moles = mass / molar mass = 100/164.088= 0.6094 mole

Answer Link
rose9374
rose9374 rose9374
  • 01-07-2021

Answer:

0.609 moles

Explanation:

mass in g ÷ atomic mass = moles

Ca(NO₃)₂ = 1 Ca 40.078 amu

2 N 28.0134 amu

+ 6 O 95.994 amu

____________________

164.0854 amu

100 g ÷ 164.0854 amu = 0.609 moles

three significant digits

Answer Link

Otras preguntas

-2a(a+b-5)+3(-5a+2b)+b(6a+b-8)
How many cups are in a 16 gallon
What branch of govonerment punshes the counterferfeiters?
Which are examples of transverse waves? Check all that apply. earthquake P-waves earthquake S-waves radio waves sound visible light X-rays
paulina works out with a 2.5-kilogram mass. what is the mass of 2.5-kilogram mass in grams?
Why is a frog's tongue anchored in the very front - opposite to the orientation and anchoring of humans?
Sisters Suzy and Sara planted a vegetable garden. They both planted a row of potatoes. When it came time to dig the potatoes, Suzy had buckets of big, round pot
Please help me what is this
The process of a material going through a change of state from a gas to a liquid is called
Many African American slaves fought for both the British and the Americans during the Revolution. What did the British offer the slaves in return for their help