Answer:
igneous or metamorphic
Explanation:
Those two are sorta relvant
Calcium oxide CaO = 40+16 = 56
Calcium hydroxide Ca(OH)_2 = 40+16+16+1+1 = 74
The ratio 56:74 is equal to 14:x with x being the unknown mass.
56/14 = 4
74/4 = 18.5
So the answer is 18.5g assuming the water is in excess
Answer:
4( atoms of the same element always have different atomic weights)
Explanation:
the number of protons in the atoms of the same type can be different especially in isotopes
This would be answer choice C. the rate constant changes over time
Answer:
The answer is 8 grams of Oxygen
Explanation:
This is because Oxygen atomic mass is 16 and hydrogen mass is 2.
16/2=8