Concept explainers
(a)
Interpretation:
Classify the given compound as an ion, ionic or molecular compound and state its chemical name.
(b)
Interpretation:
Calssify the given compound as an ion, ionic or molecular compound and state its name.
(c)
Interpretation:
Classify the given compound as an ion, ionic or molecular compound and state its name.
(d)
Interpretation:
Classify the given compound as an ion, ionic or molecular compound and state its name.
(e)
Interpretation:
Classify the given compound as an ion, ionic or molecular compound and state its name.
(f)
Interpretation:
Classify the given compound as an ion, ionic or molecular compound and state its name.
(g)
Interpretation:
Classify the given compound as an ion, ionic or molecular compound and state its name.
(h)
Interpretation:
Classify the given compound as an ion, ionic or molecular compound and state its name.
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INTOR TO CHEMISTRY LLF
- What is the mass of fish, in kilograms, that one would have to consume to obtain a fatal dose of mercury, if the fish contains 30 parts per million of mercury by weight? (Assume that all the mercury from the fish ends up as mercury (II) chloride in the body and that a fatal dose is 0.20 g of HgCl2.) How many pounds of fish is this?arrow_forwardWrite the empirical formula of the compound formed by (a) Al3+ and Cl- ions, (b) Al3+ and O2 - ions, (c) Mg2+ and NO3- ions.arrow_forward1) A sample of blue crystals of copper (II) sulfate pentahydrate was heated to produce the copper(Il)sulfate tetrahydrate. (a) Write the chemical formulas of the copper(II)sulfate pentahydrate and copper(II)sulfate tetrahydrate. (b) Calculate mass percent of water in copper(II)sulfate pentahydrate (c) If 7.491 g of the copper (II) sulfate pentahydrate produces 6.951 g of the copper (II) sulfate tetrahydrate, how many grams of anhydrous copper(I1)sulfate could be obtained? (Cu=63.5 g/mol, S=32.0 g/mol, O=16.0 g/mol, H=1 g/mol)arrow_forward
- 4) 2 2 NaHCO3 (s) ----> 2 C(s) + 3 Na(s) + 02(g) 1 H2(g) +arrow_forwardAmmonium dihydrogen phosphate, formed from the reaction of phosphoric acid with ammonia, is used as a crop fertilizer as well as a component of some fire extinguishers. (a) What are the mass percentages of N and P in the compound? (b) How much ammonia is incorporated into 100. g of the compound?arrow_forwardWrite the balanced chemical equation for the reaction of these pairs of reactants: (a) Calcium and bromine (b) Aluminum and oxygenarrow_forward
- Chrom ium metal reacts with oxygen to give chromiu m(III) oxide, Cr2O3. (a) Write a balanced equation for the reaction. (b) What mass (in grams) of Cr2O3 is produced if 0.175 g of chromium metal is converted completely to the oxide? (c) What mass of O2 (in grams) is required for the reaction?arrow_forwardWhich statement about the properties of barium chloric and mercury(II) chloride is correct? (A) BaCl₂ has a higher melting point than HgCl₂. (B) BaCl₂ has a higher solubility in nonpolar solvents than HgCl₂. (C) BaCl₂ has a higher vapor pressure than HgCl₂. (D) Molten BaCl₂ has a lower electrical conductivity than molten HgCl2.arrow_forwardwrite a balanced chemical equation for each (A) Iron (III) chloride reacts with sodium hydroxide to produce iron (III) hydroxide and sodium chloride. (B) Magnesium nitrite reacts with perchloric acid to produce magnesium perchlorate and nitrous acid. (C) Copper(II) hydroxide reacts with hydrosulfuric acid to produce copper (II) sulfide and water.arrow_forward
- Mg(OH)2(s)+2HNO3(aq)→ the balanced chemical formula?arrow_forwardConsider the nickel salt: (NH4 )2Ni(SO4 )2 ·y H2O (Ammonium Nickel Sulfate Hydrate), where y is the number of coordinated waters. The actual yield of product was 9.640 g - obviously containing coordinated water. The product was then heated strongly until all the water had been driven off. The resulting anhydrous salt had mass 7.000 g. What is the value of y?arrow_forward(6) (1) (i) Cr3+ (1) U Ag+ 4. Provide the formula for each of the following cations. (a) cuprous ion (b) cupric ion (c) ferrous ion (d) ferric ion (e) plumbous ion (f) plumbic ion (g) mercurous ion (h) mercuric ion (i) stannous ion (j) stannic ion Identifying Cations in Solution 85arrow_forward
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