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

A group of three friends order a combo meal which includes two slices of pizza and a drink eight drink is priced at $2.50 if the combine total is $31.50 how muc

I have a 73% right now in Math. I have one more test && a Final. I need a 73% to pass the class. What grades are needed on my last 2 tests to achieve th

How many terms are in the following sequence? 131072, ..., 8, 4, 2

two problems researchers might have when interviewing people about their job.

[Standard Enthalpy of Formation]Remember to show work and explain.3. From this data, calculate the change in enthalpy for:4. Use the information below to solve

How do I solve x+1/x-1 >0

what is 3 1/8 - 1/2

Dr. roscoe administered the mmpi-2. he will use which scales to tell whether these test scores should be invalidated for lying, inconsistency, "faking good," an

This is the mathematical relation relating the three sides, a, b, c, of a right triangle.

Multiple choice answers