Answer:
Answer choices A, B, and C all contain a certain level <em>(or amount, if you will)</em> of <u>Calcium Carbonate</u>, but <u><em>B. chalk</em></u> contains the most amount out of all three.
Explanation:
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If you have 9 moles of hydrogen gas(H2) the moles of water that can be formed is 9 moles
<u><em>calculation</em></u>
2H2 +O2→ 2H2O
The mole of H2O is calculated using the mole ratio.
that is H2:H2O is 2:2 into simple form = 1:1
therefore if 9 moles of H2 reacted the moles of H2O = 9 x1/1 = 9 moles
The increase of angles between two bones is and ankle
Answer:
d. oxygen (O2) is the answer
Density = mass divided by volume
Density = 8.2 divided by 24.5
Density = 0.33g/cm3