This question is about sea water and the substances found in sea water. Table 2.1 shows the masses of the compounds formed when $$\(1000 \mathrm{~cm}^{3}\)$$ of sea water is evaporated. Table 2.1 Answer these questions, using the information from Table 2.1. (i) State the chemical name of $$\(\mathrm{CaCO}_{3}\)$$. ................................................................................................................................. (ii) The total mass of compounds formed from $$\(1000 \mathrm{~cm}^{3}\)$$ of sea water is 19.0 g . Calculate the total mass of compounds formed from $$\(1750 \mathrm{~cm}^{3}\)$$ of sea water. mass = g (iii) Magnesium sulfate is soluble in water. Choose one other compound that is soluble in water. Tick $$\((\checkmark)\)$$ one box.
Exam No:0620_s25_qp_31 Year:2025 Question No:2(a)
Answer:
Knowledge points:
3.1.1. State the formulae of the elements and compounds named in the subject content
Solution:
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