arodriguez1758 arodriguez1758
  • 25-02-2024
  • Chemistry
contestada

200 gm impure CaCO₃ on heating gives 5.6 lit. CO₂ gas at NTP. Find the percentage of calcium in CaCO₃ sample.

A. 1
B. 40
C. 10
D. 30

Respuesta :

Otras preguntas

Uranium-235 and plutonium-239 are used in nuclear reactors because of their 1. ability to undergo fission 2. ability to undergo fusion 3. inability to absor
For Pi Day, Matt noticed that there were three pies that were left untouched. In addition, another 4 slices o pizza were uneaten. If there were a total of 46 sl
Jim and Jackie are married with three children at home and a mortgage. Jim’s net pay per year is $67,000 and Jackie does not have income. Their mortgage payment
A segment has an endpoint at (4, 3). The midpoint is at (4, 7). What are the coordinates of the other endpoint?
Cos^2x-cos^6x=sin4xsin8x
Can you take your written drivings test /permit test in any state even if u don't live in that state ?
The teachers at applewood hill school voted on extending their time for recess. 80% of the 30 teachers voted in favor. How many votes were against?
60POINTS!!! 5. Choose the correct vocabulary word for the blank in the following sentence The hunter snuck up on the ____ in order to conduct a surprise attack.
Letter A refers to B., I need help with B please, thx love! ^-^
Define a variable and write an expression to represent the following phrase a number increased by 5...