Answer:
FOR H_2
Step-by-step explanation:
Given data:
concentration
WE KNOW THAT
therefore
Now for conversion of mol to gram need the molar mass of element in which particular value convert to.
let us take
we know that molar mass of is 2 gram
therefore
let take other example, for
we know that molar mass of O_2 is 32 gram
therefore
Answer:
2x-9y
when you add 2 and 7 it's 9, so add the y, then 4-2 which is 2, add an x.
2x-9y
Answer: 2×2=4
Step-by-step explanation: 2 is a prime number so you can do 2×2
Answer:
9c
Step-by-step explanation:
- c represents # of cars
- 9 times more than the amount of cars
- 9c
Answer: dude theres no pictures
Step-by-step explanation: