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- Is NaCl a atom, molecule or a compoundSodium citrate (Na3C6H5O7) is an ionic compound. Draw a diagram or use 2-3 sentences explain the charges on the different ions in this compound.1. Provide the chemical formula (including brackets where appropriate) or systematic name for the following compounds. (a) gold(I) hypoiodite (b) HI(aq): (f) Ca(ClO4)2·4H2O: 2. What mass (in g) of chlorine atoms are there in a sample that consists of 5e+23 molecules of molecular chlorine? INSTRUCTIONS: Report your answer to 3 significant figures in scientific notation unless stated otherwise. DO NOT include the units in your answer.
- < Question 18 of 39 Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00 g sample of each compound. One sample contains 0.28 g of X and the other contains 0.37 g of X. Identify plausible sets of formulas for these two compounds. XY and X3Y X3Y and X4Y XY and X2Y XY3 and XY4 X2Y and X3Y X2Y2 and X3Y2 O X4Y2 and X3Y 15 SA étv W MacBook Air DA DII DD 80 000 000 F12 F111.Which of the following statements about a compound is incorrect? (a) A molecule of a compound has atoms of different elements. (b) A compound cannot be separated into its constituent elements by physical methods of separation. (c) A compound retains the physical properties of its constituent elements. (d) The ratio of atoms of different elements in a compound is fixed. Which of the following statements is correct about the reaction given below? 4Fe + 3O2 → 2Fe2O3 (a) Total mass of iron and oxygen in reactants = total mass of iron and oxygen in product therefore it follows law of conservation of mass. (b) Total mass of reactants = total mass of product, therefore, law of multiple proportions is followed. (c) Amount of Fe2O3 can be increased by taking any one of the reactants (iron or oxygen) in excess. (d) Amount of Fe2O3 produced will decrease if the amount of any one of the reactants (iron or oxygen) is taken in excess.A molecular compound has the formula, C6H10. Enter the name of the compound.