jmuth4549 jmuth4549
  • 26-04-2024
  • Chemistry
contestada

A 500 g toothpaste sample has 0.2 g of fluoride. The concentration of fluoride ions in terms of ppm level is ___.
A.250 ppm
B.200 ppm
C.400 ppm
D.1000 ppm

Respuesta :

Otras preguntas

The sum of two numbers is 8, and the sum of their squares is 34. What is the smaller number?
A hallway measuring 90 feet x 7 feet requires 1/2 a fluid ounce of cleaning solution per square foot. How much cleaning solution is required to clean the hallwa
if an automobile travels 450 yards in 15 seconds, how many feet does it travel in 1/3 of a second? how do I calculate this problem?
6. The Erie Canal connected Albany on the Hudson with
What is the next in the sequence 2 6 3 8 6 12
5 examples of collective nouns
Submerged basaltic volcanoes that are higher than 1 km are called
let f(x)=3x-6 and g(x)=x-2. find the g/f and state its domain.
I need help solving x^2+3xy-y^2=12 and x^2-y^2=-12
4m-5t=-22 5m+6t=-3 Solve by Elimination