daime732 daime732
  • 08-05-2020
  • Chemistry
contestada

Help please please please please

Help please please please please class=

Respuesta :

MikeMart77
MikeMart77 MikeMart77
  • 08-05-2020

Answer:

D. 18.7 grams

Explanation:

The coefficients are the key.

Create a proportion with them, and the molar mass, and then solve for x:

[tex] \frac{2}{3} = \frac{x}{28} \\ 3x = 2(28) \\ 3x = 56 \\ x = 18.666... = 18.7[/tex]

Answer Link

Otras preguntas

How does the graph of y=1/2(x+4)^2 compare to the graph of y=(x-1)^2-3
which of the following foods is rich in nutrients that will help hair, skin, and nails to grow
Which era spanned from 600 c.e to 1500 c.e
_______ is the repetition of one pattern of notes and rhythms.
which best describes the range of the function f(x) = 2(1/4)^x after it has been reflected over the y-axis? a. all real numbers b. all real numbers less than ze
Write the ratio of 25 cars to 15 cars in lowest terms
Evaluate the expression. 42+5⋅32−42÷23
In what Vedic Age, what type of goods were traded most often
The sum of Sally and Beth's age is 60. Six years ago, Sally was 3 times as old as Beth. What are their present ages?
simplify the expression. (x)2(2xy3)5 a. 2x^3y15 b. 32x^7y8 c. 32x^7y15 d. 10x^3y8