A solution of sodium hydroxide was prepared by dissolving 0.93g of sodium oxide in 75.0 cm3 of water. Aqueous hydrochloric acid was prepared at room temperature and pressure by dissolving 240.0 cm3 of hydrogen chloride gas in 100.0 cm3 of water.

a. Calculate the molar concentration and mass concentration of;
(i) sodium hydroxide

where's the diagram?

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they are both synthetic elements

explanation:

d

c. is the answer

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