ou need to make an aqueous solution of 0.140 M copper(II) sulfate for an experiment in lab, using a 300 mL volumetric flask. How much solid copper(II) sulfate should you add?

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Q: In an aqueous solution at 25°C, if [H₃O⁺] = 2.3 × 10⁻⁴ M, then [OH⁻] is:

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Q: How many mole of ions are present in 1.264 mole of potassium chromate?

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Q: 15. 16. 17¹. 18. O:(g) Cr(s)+ Cu(s) H₂SO₂(aq) Ch(g) NCH(g) HNO,(aq) NO:(g) CrCh(s) Cr(OH),(s)…

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Q: a proton a positron a deuteron a beta particle an alpha particle of a radioactive element

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Q: In the figure below, G if shown as a function of what physical property? Why is dependence for the…

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Q: How many hydrogen atoms are in 3.00 mol of ammonium sulfide?

A: The number of hydrogen atoms is = 1.45 x 1025 atom H

Q: ubstance Specific heat capacity (J/g °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum…

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Q: Phosphoric acid, a mild acid used among other things as a rust inhibitor, food additive, and etching…

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Q: Show the structures of all possible acid-catalysed dehydration products of the following. Where more…

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Q: How many grams of neon, Ne, would contain the same number of atoms as 26.982 g of aluminum, Al?

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Q: Hi! Could someone help me find the correct IUPAC names for these compounds and their…

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Q: ,Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese…

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Q: Iron Fe(s) oxides quite easily to Fe2O3(s). Which is more exothermic at room temperature – the…

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Q: For the reaction 2 HCl + Ca(OH)₂ CaCl₂ + 2H₂O how many grams of calcium chloride, CaCl2, are…

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Q: 30.0 mL of 0.200M H2SO3, a diprotic acid is titrated with 0.100M NaOH. a) Calculate the volume…

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Q: What is the pOH of 0.01 M solution of F"? O 5.35 x 10-7 O2.73 4.27 O 6.27

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Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO   What mass, in grams, of…

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Q: Hi, for the No. of Moles = given mass/molar mass why would you multiply the given mass by 1000?

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A: The addition of bromine to an alkene in a nonpolar solvent produces vicinal dibromo alkane.

Q: 5. Consider the Haber process for the production of ammonia from atmospheric nitrogen N₂(g) + 3H₂(g)…

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Q: The pH of 0.50 M HBrO2 is 1.87. The value of K, i ✔ [ Select] 1.80^-4 3.6 x 10^-4 2.7 x 10^-2 1.3 x…

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Q: solution is made initially with 0.350 M HIO₃ (Kc = 0.170). Once the equilibrium below is…

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Q: 12 Which of the indicators listed in the table below would be most suitable for use during the…

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Q: The amount of I2 produced by the persulfate-iodide reaction when the blue color appears is the same…

A: Iodine-Clock reaction : Step 1: S2O82- + 2I-→2SO42-+I2 Step 2: 2S2O32-+ I2→S4O62- + 2I- Step 3:…