dgojordan799 dgojordan799
  • 20-02-2024
  • Chemistry
contestada

What is the value of x in the context of water hardness analysis if 100 ml of a sample of hard water, with a hardness of 251 ppm based on CaCO₃, requires 25.1 ml of H₂SO₄ for complete reaction?
a) 50
b) 100
c) 125
d) 150

Respuesta :

Otras preguntas

Cynthia brought a bag of wafers weighing 481 grams. There are about 0.035 ounces in 1 gram. About how many ounces does the bag of wafers weigh
How to do this ? Help!
When fluoride reacts with a metal it forms an F negative ion the flooring Adam has gained an electron and undergone ______.
James has 6 stamps in his stamp collection. Roy has 12 stamps in his stamp collection. James adds 2 stamps to his stamp collection. After James adds these stamp
•What is prisoner reentry? •What are current issues and trends in parole and prisoner reentry?
A single company should never have a monopoly. Underline all the verbs
When beryllium ion combines with carbonate ion, the numbers of each ion are??
A rectangle has length 2x - 3 and width x + 1. Write an expression in simplest form that represents the perimeter of the rectangle.
How do you do this question?
Which of the following is equal to the rational expression when x=-1 or -7? (x+1)(x-1)/(x+7)(x+1) a. x+7/x-1 b. x-1/x+7 c. x+1/x+7