Answer:
0.4 moles
Explanation:
To convert between moles and grams you need the molar mass of the compound. The molar mass of of CaCO3 is 100.09g/mol. You use that as the unit converter.
40gCaCO3* 1mol CaCO3/100.09gCaCO3 = 0.399640 mol CaCO3
This rounds to 0.4 moles CaCO3
<span>It is because air is a poor conductor of heat. Good luck ;)</span>
The answer is 10-12. The relationship of pH and [H+] is pH = -lg[H+]. And the higher pH, the stronger base is. So the strongest base has the lowest concentration of H+.
<span>the earth's temperature will continue to rise which will increase the amount of sea ice that is melting
hope this helped</span>
Answer:
Explanation:
If you insist on filling in the first blank you can put a one.