oass2araMarickiee oass2araMarickiee

10-06-2016
Chemistry

contestada

What is the oxidation number for Zn(OH)4 2-?

Respuesta :

Hussain514 Hussain514

14-06-2016

Zn(OH)4= ; -2 = -4 + ?, Zn = +2 , the -4 is the charge on the 4 OH- ions.

NO3- + 6 H2O + 8 e- -------> NH3 + 9 OH-
( Zn + 4 OH- ----> Zh(OH)4= + 2e-) x 4
7 OH- + NO3- + 4 Zn + 6 H2O -------> NH3 + 4 Zn(OH)4

Answer Link

Otras preguntas

why meiosis produces haploid cells

A cyclist rides his bike at a rate of 10 kilometers per hour. What is this rate in miles per hour. How many miles will the cyclist travel in 5 hours? In your co

Helppppp meeee!!!!!!!! 16 points of u give me the right answer

Choose the sentence that contains an error. A. Martin will represent his company in the seminar, and his grandparents will be proud of him. B. The winning t

Tan(42)= x over 16 I need the answer and how ya got it pleasee

An asynchronous clr' signal (multiple answers can be correct, select all that apply. you will get partial credit in case of missed answers.) overrides the clock

Two lines intersect to form angles 1, 2, 3, and 4 as given. The measure of ∠1 is 43°. What is the measure of ∠4 ? pls helppp

Different characteristics of living things are called

Choose two Puerto Rican celebrities. Write their biographies in a brief paragraph and include the following information: their date and place of birth where th

Which of the following statements is true? A. Sedimentary rocks are formed as a direct result of chemical weathering. B. Fossils are frequently found in me