unuafeisrael unuafeisrael

01-03-2022
Chemistry

contestada

What ion causes hardness of water?

Respuesta :

nedleelormestoire nedleelormestoire

01-03-2022

Answer:

calcium ions

Explanation:

Water hardness is due to the presence of calcium ions, and to a lesser extent, magnesium, iron, and manganese.

Answer Link

Otras preguntas

Which of the following is a PRIME factor of 180? A. 7 B. 4 C. 5 D. 9

Which sentence has an accurate use of the preterite tense? 1. El muchacho hizo la tarea anoche. 2. El muchacho se llamó Pablo.

name one organ in the body and explain its function.

Select the five nations that were allied powers of world war 1:

Leticia and 4 friends are sharing 1/4 gallon of tea. What fraction of gallon of tea does each of the 5 friends get?

Which describes the function of the human sperm cell’s structure?

6. A surf board rental company charges$25 for the first hour and $10 for eachadditional hour. Which equation could besolved to find the number, x, ofadditional

Defined the end behavior of the following function f(x)=-x^5+x^2-x

what is an exaple of omosis

If f(x) =x^2-2x and g(x) =6 x+4 for which value of x does (f+g) (x)=0 -4 -2 2 4