Answer:
#1- the percentage is 2.77%
#2 - 218.1336g
#3- 7.89%
#4- 63.8489g
#5- 136.1406g
#6- 340.3515g
#7- 2.387238
#8-
Explanation:
Number 1 is 4.875 Number 2 is 3.47 repeating
Thank you :))) for the points have a great day
b
the color of lines
Explanation:
on the atomic spectrum for an atom
Answer:
moles = given mass/atomic mass
so H2O mass = 2 +16=18
so 12g of h2o= 12/16 = 3/4 moles