Solve the Number of atoms comparison with this kind solution format: Example: Al + O 2 Al 2 O 3 __Al + ___O 2 ___Al 2 O 3 4Al + 3O 2 2Al 2 O 3 4Al + 6O 4Al + 6O    = Number of atoms comparison/Balanced   7) 1CuSO 4 + 2 HCN > 1Cu(CN) 2 + 1 H 2 SO 4 8) 1Ga 2 O 3 + 6Li > 3Li 2 O + 2 Ga 9) 1 BaF 2 + 1Na 2 S > 1BaS 2 + 2NaF 10) 2 NH 3 >1 N 2 + 3 H 11) 1 Br 2 + 2NaF > 1F 2 +2____ NaBr

*** O I + Z 1. Na° 2. dilute H30 Но OCH3 120

52 .  Calculate the number of moles and the mass of the solute in each of the following solutions:   (b) 75.0 mL of 2.2 ×× 10−5 M H2SO4, a sample of acid rain

1/ mol 170 mol Question 3 (2 points) In the previous question you calculated how many moles of solid NANO3 are needed to prepare 100.mL of a 1.7 M solution. Use that answer to calculate how many grams of solid NaNO, are needed to prepare 100.mL of a 1.7 M solution. 00.0020 g O148 | 14 g KUD| 145 g KD 500 g

For each of the following solutions, calculate the molarity of the solution. 9.62 g MgNH4PO4 in 750. mL solution  mol/L 14.7 g NaCH3COO in 400. mL solution  mol/L 3.86 g CaC2O4 in 400. mL solution  mol/L 9.67 g (NH4)2SO4 in 400. mL solution  mol/L Submit Answer

Q33 Kindly solve this question in 20 minutes and get the thumbs up Please show me neat and clean work for it By hand solution needed

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if i want to dilute 30 L ofa 1.5 M FeSO4 solution to a 0.3 M FeSO4 solution how much of the solvent will i need to add ?

Assignments Constants I Periodic Tatle eText You may want to reference (Pages 152 - 158) section 4.4 while completing this problem. User Settings Calculate the molarity of each of the following solutions. V Corel The her ol moies of C2HO is determined by dividing the mass of C2HO by the mdlar mass Molarty is deternuned by dividing the number of moles by the volume. Part C 13.02 mg KI in 106.7 mL of soiution Express your answer using four significant figures. VO AEO M molarity = Submit Previous Answers Request Answer X Incorrect; Try Again; 27 attempts remaining P Pearson P 1 7:38 acer

How would you prepare 1.50 L of a 0.70-M solution of each of the following? NiCl2  from the salt NiCl2*6H2 O