laetitiab0068 laetitiab0068
  • 03-04-2020
  • Biology
contestada

A 10 gram sample of pure potassium sample was 100% rubidium-87 approximately how much of the sample will still be potassium 40

Respuesta :

pangeltaylor9 pangeltaylor9
  • 03-04-2020

Answer:30%

Explanation:I think

Answer Link

Otras preguntas

Can you explain 3x+4/5=7/10. Solve
The areas of two circles are 36(pi) and 64(pi). What is hte ratio of the diameters? of the circumferences?
Which of the following nutrient cycles has its largest reservoir in the atmosphere? A) Carbon cycle B) Nitrogen cycle C) Potassium cycle D) Phosphorus cycle E)
What is the simplified form of the expression 2 * [(1+14)*7]+6/0.5^3?
You sell pies at a farmers' market for $7.50 each. A group of 5 kids wants to pitch in equal1y to share one of your pies. How much will each of them need to pa
A rectangle has an area of 30 square units and a perimeter of 34 meters.what are the dimensions of this rectangle
Two parents with dimples have a child with no dimples. The allele D for dimples is dominant. What are the possible genotypes of the parents? I. DD and Dd II. Dd
solve the proportion2x + 1/x + 1 = 14/3x-1
Why can't plants and animals use the nitrogen directly from the atmosphere? Answer A.There is not enough of it in the air. B.Nitrogen gas contains the element i
Madison was driving at 40 mph and went 80 miles. How long did it take madison?