pa2rricning pa2rricning

23-02-2017
Chemistry

contestada

If 32.0g cac2 are consumed in this reaction, how many moles of h2o are needed

Respuesta :

scme1702 scme1702

01-03-2017

The reaction equation is:
CaC₂ + 2H₂O → Ca(OH)₂ + C₂H₂

Moles of CaC₂ = 32 / (40 + 12 x 2)
Moles of CaC₂ = 0.5

Molar ratio of CaC₂ to H₂O = 1 : 2
Moles of H₂O = 2 x 0.5 = 1 mole of H₂O needed

Answer Link

Otras preguntas

Write an Algebraic expression for the following phrases. K. The sum of a number m and 15 L. 6 more than a number x M. 8 less than N. 27 of a number N. The sum o

HELP ME HELP ME !! A line is drawn so that it passes through the points (3, 4) and (4, 1). What is the slope of the line? A) 1/3 B) 3 C) -1/3 D)-3

Which statements are themes? Check all that apply.

Where would you find the point (-10,0)

Question 5 Kaya is riding her dirt bike on a road and spots a pothole ahead. Kaya slows her car from 20.0 m/s to 5.0 m/s in 3.0 seconds. What was her accelerati

a) A car accelerates uniformly at 3.7 m s⁻² as it passes a stationary road train. The initial speed of the car is 30 m s⁻¹, and it reaches the speed limit of 13

15. The cost of beverages in a vending machine is shown. Beverages Cost 1 2 $1.25 $2.50 $3.75 3

Is there adequate awareness among people of India about the natural calamities like earthquake and Tsunami give examples to support your answer

Which percent is equivalent to 3/5 ?

Why is the idea of Egyptian death rituals significant to Annie's father How do you think he would expect to be appraised?