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2. (35 P) Answer the following questions: (a) What is the number in mmole of Q1B in 40 mL of a solution containing Q2A ppm? (Q2A ppm Q1B çözeltisinin 40 ml'sinde kaç mmol Q1B vard?r?) (b) What is the molar concentration of Q1C in a solution containing (Q2Ax50) ppm Q1B? ((Q2A×50) ppm Q1B çözeltisinde Q1C'nin molar konsantrasyonu nedir?) (c) Calculate the molar concentration of Q1C in a solution that has a p-value of Q2B. (Write the molar concentration with suitable scientific notation. For example: 1 x10??). (p de?eri Q2B olan Q1C çözeltisinin molaritesini hesaplay?n?z. Sonucu bilimsel gösterim ile yaz?n?z.) (d) Describe the preparation of (Q1A×5) ml of 8 M Q1C from solid Q1B. (Kat? Q1B maddesinden (Q1A×5) ml 8M Q1C'nin nas?l haz?rlanaca??n? anlat?n?z.) (e) Describe the preparation of 250 mL Q2C% (w/v) Q1C from a Q2D M Q1C solution. I (Q2D M Q1C çözeltisinden 250 ml Q2C%(a/h) Q1C'nin nas?l haz?rlanaca??n? anlat?n?z.) 

          2. (35 P) Answer the following questions:
(a) What is the number in mmole of Q1B in 40 mL of a solution containing Q2A ppm?
(Q2A ppm Q1B çözeltisinin 40 ml'sinde kaç mmol Q1B vard?r?)
(b) What is the molar concentration of Q1C in a solution containing (Q2Ax50) ppm Q1B?
((Q2A×50) ppm Q1B çözeltisinde Q1C'nin molar konsantrasyonu nedir?)
(c) Calculate the molar concentration of Q1C in a solution that has a p-value of Q2B. (Write the
molar concentration with suitable scientific notation. For example: 1 x10??).
(p de?eri Q2B olan Q1C çözeltisinin molaritesini hesaplay?n?z. Sonucu bilimsel gösterim ile yaz?n?z.)
(d) Describe the preparation of (Q1A×5) ml of 8 M Q1C from solid Q1B.
(Kat? Q1B maddesinden (Q1A×5) ml 8M Q1C'nin nas?l haz?rlanaca??n? anlat?n?z.)
(e) Describe the preparation of 250 mL Q2C% (w/v) Q1C from a Q2D M Q1C solution. I
(Q2D M Q1C çözeltisinden 250 ml Q2C%(a/h) Q1C'nin nas?l haz?rlanaca??n? anlat?n?z.)
Show more…
2. (35 P) Answer the following questions: (a) What is the number in mmole of Q1B in 40 mL of a solution containing Q2A ppm? (Q2A ppm Q1B çözeltisinin 40 ml'sinde kaç mmol Q1B vard?r?) (b) What is the molar concentration of Q1C in a solution containing (Q2Ax50) ppm Q1B? ((Q2A×50) ppm Q1B çözeltisinde Q1C'nin molar konsantrasyonu nedir?) (c) Calculate the molar concentration of Q1C in a solution that has a p-value of Q2B. (Write the molar concentration with suitable scientific notation. For example: 1 x10??). (p de?eri Q2B olan Q1C çözeltisinin molaritesini hesaplay?n?z. Sonucu bilimsel gösterim ile yaz?n?z.) (d) Describe the preparation of (Q1A×5) ml of 8 M Q1C from solid Q1B. (Kat? Q1B maddesinden (Q1A×5) ml 8M Q1C'nin nas?l haz?rlanaca??n? anlat?n?z.) (e) Describe the preparation of 250 mL Q2C% (w/v) Q1C from a Q2D M Q1C solution. I (Q2D M Q1C çözeltisinden 250 ml Q2C%(a/h) Q1C'nin nas?l haz?rlanaca??n? anlat?n?z.)

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Chemistry: Structure and Properties
Chemistry: Structure and Properties
Nivaldo Tro 2nd Edition
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Q1b = Ca3(PO4)4 Q2a = 115 Q1C = P Q2B = 2.55 Q1A = 40 Q2C = 17 Q2D = 7 2.35P) Answer the following questions: (a) What is the number in mmol of Q1B in 40 mL of a solution containing Q2A ppm? (Q2A ppm Q1B çözeltisinin 40 ml'sinde kaç mmol Q1B vardır?) (b) What is the molar concentration of Q1C in a solution containing (Q2A x 50) ppm Q1B? ((Q2A x 50 ppm Q1B çözeltisinde Q1C'nin molar konsantrasyonu nedir?) (c) Calculate the molar concentration of Q1C in a solution that has a p-value of Q2B. (Write the molar concentration with suitable scientific notation. For example: 1x10- (p değeri Q2B olan Q1C çözeltisinin molaritesini hesaplayınız. Sonucu bilimsel gösterim ile yazınız.) (d) Describe the preparation of (Q1A x 5 ml of 8 M Q1C from solid Q1B. (Katı Q1B maddesinden (Q1A x 5 ml 8M Q1C'nin nasıl hazırlanacağını anlatınız.) (e) Describe the preparation of 250 mL Q2C %w/v Q1C from a Q2D M Q1C solution. (Q2D M Q1C çözeltisinden 250 ml Q2C %w/v Q1C'nin nasıl hazırlanacağını anlatınız.)
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5) Show all calculations. For the solutions that you will prepare in Part 1 Step 2 of Part, calculate the [FeSCN2+]. Presume that all of the SCN- ions react. In Part I of the experiment, mol of SCN- = mol of FeSCN2+. Thus, the calculation of [FeSCN2+] is: mol FeSCN2+ ÷ L of total solution. Record these values in the table in Part I, Step 2. Beaker number | 0.200 M Fe(NO3)3 (mL) | H2O (mL) | 0.0020 M SCN- (mL) | H2O (mL) | [FeSCN2+] 1 | 5.0 | 40.0 | 0.0 | 5.0 | 0.00000M 2 | 5.0 | 40.0 | 2.0 | 3.0 | 3 | 5.0 | 40.0 | 3.0 | 2.0 | 4 | 5.0 | 40.0 | 4.0 | 1.0 | 5 | 5.0 | 40.0 | 5.0 | 0.0 | 6) Show all calculations. Perform a similar calculation and fill in the initial concentrations of Fe(NO3)3 and of SCN- in the table in Part III, Step 12. Test tube number | 0.0020 M Fe(NO3)3 (mL) | 0.0020 M SCN- (mL) | H2O (mL) | [Fe(NO3)3]initial (M) | [SCN-]initial (M) 1 | 3.00 | 2.00 | 5.00 | | 2 | 3.00 | 3.00 | 4.00 | | 3 | 3.00 | 4.00 | 3.00 | | 4 | 3.00 | 5.00 | 2.00 | |

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Transcript

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00:01 Hello students, we are given by a question in which we have to find the solute and solvent in magnesium nitrate aquas.
00:08 So we have the echo solution of magnesium nitrate.
00:11 That's why in the magnesium nitrate solution we have the solute that is itself magnesium nitrate while the solvent will be water because it is an equest solution.
00:28 Now we move to the second part of the question.
00:32 Here we have to find the dissociation reaction of the magnesium nitrate.
00:37 So mg, no3, hold twice.
00:40 When dissociates, it forms magnesium oxide along with the nitrogen dioxide.
00:47 Now we have to balance this chemical equation and when we multiply no2 by 2, then the reaction will be balanced.
00:56 So a final answer is that the reaction is mg, no3, whole twice, gives mgo plus 2 no2.
01:07 Now we move to the third part of the question...
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