Answer:
Halogens such as chlorine, bromine and iodine have properties that enable them to react with other elements to form important salts such as sodium chloride, also known as table salt.
Explanation:
.67 L
.030 mol x 22.4 L / 1 mol = .67 L
22.4 was used because that is what 1 mol equals for a gas at stp.
Moles to Grams caco3
1 mole is equal to 1 moles CaCO3, or 100.0869 grams.
B
explanation: I think
