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

Use the following avoir expressions in French sentences that you make up yourself. 1. avoir froid. 2. avoir soif 3. avoir besoin d’argent 4. avoir l’ai

Completer the blank with a <, >, or = -2 _ -4 -10 _ -5 -3 _ 0 l -8 l _ l -5 l 4 _ l -8 l I know which ones are bigger, but i always get confused what <

a cylindrical copper rod has resistance r its reformed to half its original length what is its new resistance

Write an equation of an ellipse in standard form with the center at the origin and a height of 12 units and width of 19 units.

What made India significant to European colonists?

What numbers are multiples of 9 and factors of 36?

Which sentence contains a misplaced modifier? By the age of thirteen, Jennifer Snyder had released several original songs. I worked hard all morning in

If a circle has a radius of one in the sector defined by a 37° arc what is the area in centimeter squared of the sector

Carbon dioxide and water are produced when pentane (C5H12) reacts with oxygen. What is the balanced equation for this reaction

Which process must occur for a muscle to be able to relax? A. Myosin and actin must attach to each other. B. The amount of ATP in the neuromuscular junction mu