Density = Mass ÷ Volume
D= 30g ÷ 6 cm^3
D= 5 g/dm^3
True. Its simple how i remeberd was the bone has 650,000 cells and the bone has 65% hydroxyapatite
When you have the bottom measurement of the triangle (base) and the height of the triangle in the center, you multiply them together and then divide by 2.
~Do you need more explaining~?
Answer:
2KClO3 》》2KCl +3O2
C+ O2》》CO2
number of C moles
Required O2 moles (According to the mole ratio )
Relevant to the first equation, find the moles the KClO3, which is used to produce that amount of O2 moles
Now you can find the mass of KClO3
I mentioned the useful steps which can guide you to get the answer.
Explanation:
Answer:
the answer is B-2nd; stars
Explanation: