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

Molar mass of Al(OH)3 =
8mi 200 yds - 2 mi 528 yds =
i need both answers pls !!
A certain clock is losing time. The clock loses 2/15 seconds every minute. How many seconds does the clock lose in one hour?
Fill in the blank with a constant, so that the resulting expression can be factored as the product of two linear expressions: 2ab-6a+5b+___ Please include an ex
i need help please ​
1. Suppose f(x) = x^4-2x^3+ax^2+x+3. If f(3) = 2, then what is a? 2. Let f, g, and h be polynomials such that h(x) = f(x) * g(x). If the constant term of f(x) i
3x (4x^2 + 4xy + 5y - 6) = ?​
I need someone to answer this immediately please. ... The area of a piece of land is 50cm square. Fi d the value of x, if the lengthand breadth are given as (x+
Find the value of annuity if the periodic deposit is $1500 at 8% compounded semiannually for 22 years