03-10-2019
Chemistry

contestada

What is the standard deviation of soft water

Respuesta :

Wolfangel25x Wolfangel25x

03-10-2019

Answer: According to the USGS, the hardness of water is determined based on the concentration of dissolved multivalent cations: soft water - 0 to 60 mg/L (milligrams per liter) as calcium carbonate. moderately hard water - 61 to 120 mg/L. hard water - 121 to 180 mg/L

Explanation:

Answer Link

Otras preguntas

Josh and Chris are racing their derby-car models in a boxcar derby. Two of the six racers in each heat are chosen at random to get the outside lanes. What is th

Which vocal textures were preferred during the Baroque period?

Why is a shell considered to be biotic?

Hello everyone! I really need these two by Friday. & can you explain how you got the answer to the top one? Thank you all in advance!!!!!!!!! (it's just two

Rob sometimes confuses real and imaginary events. what does he suffer from?

A seismologist studies

11/14-?/4=4/14 show the missing number

Many nonchordates have tails. Which feature differentiates a chordate's tail from that of a nonchordate? A. Chordates have postanal tails. B.Chordates have long

¿Cuál es tu opinión sobre las obras de Joan Miró?

Linnaeus significant development to modern taxonomy is