typerez101 typerez101

09-02-2021
Mathematics

contestada

Calculate the percent yield if 500 grams of C7H8 makes 255 grams of C7H7NO2

1 C7H8 + 1 HNO3 = 1 C7H7NO2 + 1 H2O

This is urgent

Respuesta :

danielnieto2005 danielnieto2005

09-02-2021

I’m still thinking about it

Answer Link

09-02-2021

500/92 = 5.43 mol of C7H8
1:1 mol ratio
Mass = mol x Mr = 5.43 x 137 = 743 g (theoretical yield)
Percentage yield = ( actual yield / theoretical yield ) x 100
500/743 x 100 = 67.3% 1dp

Answer Link

Otras preguntas

Ginger cut 8 2 centimeters off her hair that was 30 centimeters long. How is the length of her remaining hair in centimeters written in decimal form?

Prove that the relation R in set A = {1, 2, 3, 4, 5} given by R = {(a, b) : Ia - bI is even} is an equivalence relation.

In order to get what a pointer is pointing to, call a standard library function, you must apply the dereference operator. a) True b) False

One equation in a system is y=-3x+7. What equation makes the system have no solution?

Find the value of x, y, and z, in the rhombus below.

A special six-sided die is made in which 3 sides have 6 spots, 2 sides have 4 spots, and 1 side has 1 spot. If the die is rolled, find the expected value of the

Write an equation for the following graphs in the form y= a sin x+k

When looking at the atmospheric CO₂ concentrations collected from ice core layers over the last 500,000 years, What does one see?

Which among the following is an active attack?(1)Accessing restricted data(2)User Impersonation(3)Eavesdropping on network traffic(4)Release of message content

The drivetrain system consists of the compenent assemblies that transmit power from the engine all the way to the drive wheels. true or false