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The colour of both barium chloride and sodium sulphate is white.
1 Answers 1 viewsSolution: From formula Mass % of an element = Molar mass of component/Molar mass of compound ×100 The molecular formula of compound (Na2SO4) is = [(2 × 22.99) + (32.06) + 4 (16.00)] =...
1 Answers 1 viewsAnswer: Given that 0.375 Molar aqueous solution Molar represent molarity of the solution Hence given molarity of solution will 0.375M Formula of molarity Molarity (M) = No. of moles of solute / volume of solution in...
1 Answers 1 views(a) Platinum, gold, and silver are used to make jewellery because they are very lustrous. Also, they are very less reactive and do not corrode easily. (b) Sodium, potassium, and lithium...
1 Answers 1 viewsMetals such as potassium and sodium react so vigorously that they catch fire if kept in the open. Hence, to protect them and to prevent accidental fires, they are kept...
1 Answers 1 views(a) Yes. The atoms of all the three elements lithium, sodium, and potassium have one electron in their outermost shells. (b) Both helium (He) and neon (Ne) have filled outermost shells....
1 Answers 1 viewsNa atom get oxidize and Cl is reduced
1 Answers 1 views(i) Sodium oxide → Na2O (ii) Aluminium chloride → AlCl3 (iii) Sodium suphide → Na2S (iv) Magnesium hydroxide → Mg(OH)2
1 Answers 1 viewsA sodium atom and ion, differ by one electron. For 100 moles each of sodium atoms and ions there would be a difference of 100 moles of electrons. Mass of 100...
1 Answers 1 views