15) What is the weight of lead nitrate 2 (Pb (NO3) (molecular weight = 331 g amol) that must be dissolved in a liter of solution to prepare 100 parts per million of lead (atomic weight 207)? pċ 0.156 ai 0.312 ai 1.56

Q: 2) Calculate the molarity of a solution made by dissolving 12.5 grams of Na₂CrO4 in enough water to…

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Q: What is the molarity of a barium chloride solution prepared by dissolving 9.9 grams of BaCl2•2(H2O)…

A: Molarity = (Mass/molar mass)(1000/V(ml)).Mass = 9.9g.Molar mass = 244.26g/mol.Volume = 151.0ml.

Q: Calcium Chloride CaCl2 has a molar mass of 110 grams per mole. 11.0 grams of CaCl2 dissolved in 500…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 6. If you dissolved 5.0 g of nickel (II) chloride hexahydrate in 20 mL of 2.0 M…

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Q: reaction is: Co(s) + HgCl (aq) → COCI(aq) + Hg(1)

A: Given , Mass of Co = 1.25 g Molar mass of Co = 59.0 g/mol Molar  mass of Hg = 200 g/mol Mole =…

Q: ou dissolve 4.12 g of potassium formate (KCHO2) in sample water in the laboratory to make 322.00 mL…

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Q: Write the balanced NET ionic equation for the reaction when aqueous BaCl and aqueous (NHa)2SOa are…

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Q: To a crucible and cover weighing 33.392 g is added a sample of a copper (II) chloride hydrate (CuCl2…

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Q: What is the weight of lead nitrate Pb(NO3)2 (molecular weight = 331 g/mol) that %3D must be…

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Q: How many grams of solid Ca3(PO4)2 can be formed from a reaction of 51.8 mL of 0.754 M CaCl2 and 21.5…

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Q: A powder contains FeSO4·7H2O (molar mass = 278.01 g/mol) among other components. A 3.200-g sample of…

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Q: If 335 g of Pb(NO3)2 (FW 331.21 g/mol) is added to a solution containing 215 g of K3PO4 (FW 212.27…

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Q: 49.40 grams of Fe(NO3)3 are dissolved in enough water to prepare 550.0 ml of solution. Calculate the…

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Q: Use the concept of molarity to calculate the molarity of a solution prepared by dissolving 25.00 g…

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Q: 7. Complete and balance the equations for the reactions. All reactions yield products. Cl2(g) (a)…

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Q: 6. While investigating mole ratios, a group of students collected data for the following chemical…

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Q: 2. The solubility of KCIO, at several temperatures is shown in the accompanying diagram. Solubility,…

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Q: Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)). If you start the…

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Q: "hat is the molarity of a barium chloride solution prepared by dissolving 2.50 g of BaCl2-2H2O in…

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Q: A 1.00 mL sample of seawater is determined to contain 2.50 × 10-14 moles of dissolved gold. How…

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A: The molar mass of (NH4)2Fe(SO4)2•6H2O = 392 g/mol The molar mass of Fe = 56 g/mol

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.