I agree with the statement that the other person has made
Answer:
Magnesium carbonate doesn't dissolve in water, only acid, where it will effervesce (bubble).
Explanation:
An insoluble metal carbonate reacts with a dilute acid to form a soluble salt. Magnesium carbonate, a white solid, and dilute sulfuric acid react to produce magnesium sulfate. Colourless magnesium sulfate heptahydrate crystals are obtained from this solution.
Covalent bonds and it is between the hydrogens (hydrogen bonds)
It is important because if the sample size is smaller, outliers could skew the data more than if it was large.