Complete the following:
a. 4.61x104m= _______________cm
b. 7.56x10-7g=_______________mg
c. 9.3 L= ___________________pl
d. 31.56 mg=________________kg
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Complete the following: a. 4.61x104m= _______________cm b. 7.56x10-7g=_______________mg c. 9.3 L= ___________________pl d. 31.56 mg=________________kg
a b c Find the determinant below, where d e f 5 g h i 7g 7h 7i d e f (Simplify your answer.) 7g 7h 7i
(10)1. Find the concentration in (a) mg/L, (b) ppm, (c) ppb, and (d) moles/L (M), respectively, for thefollowing solution: 2 g of NaCl dissolved in 500 mL of water
. A water sample has the following constituents Ca, mg/L 12 Mg-2, mg/L39 Na mg/L 12.8 K-, mg/L 3.4 Fe-, mg/L6.2 Mn-, mg/L 0.3 HCO mg/L 422 SO mg/L 101 CI mg/L 32 co,2mg/L 1.2 Temperature 25 C a. Calculate pH of that water b. Calculate the alkalinity (exactly, including effects of protons and hydroxyl ions); express alkalinity as mg/L CaCO e. Draw a bar chart for the water, Express all concentrations as mg/L CaCO, (The easiest way to do...
(35 points) For the following water sample please complete the table (meq/L and mg/L as CaCO3) and the questions that follow (Remember - 50 mg CaCO3/meq CaCO3) lon mg/L mg/meq meq/L (Please fill in the values below) as CaCO3 mg/L HCO3 125 61.0 2- 35 250 30.0 Mg K* Fe2 Mn2+ SO.2 NO3 NO2 Ca2 12.2 100 39.1 27.9 175 12 27.5 300 48.0 62.0 2 0.1 46.0 155 125 20.0 CI Na* 35.5 25 23.0 pH 7.0 (15 points)...
16- Which sets of quantum numbers are incorrect? a-n= 5,l= 3,ml=0 b-n= 4,l= 5,ml= -1 c-n= 2,l= 1,ml=1 d-n= 4,l= 3,ml=1/2 17-What are the names of the orbitals described by the following sets of quantum numbers? a-n= 4,l= 1 b-n= 2,l= 0 c-n= 6,l= 3 18- Give the values of the quantum numbers n and l for the following orbitals. a-3d b-4p c-7g
4. Which of the following represent the Lewis structure for Mg? A) Mg B) Mg C) Mg: Mg: D) Mg: E)
complete the below reactions L mg BV nabul come
complete the fallowing reactions + H2O A+B så j c. You + socie d. 1o ENH2 BOSS D Palio e i of goc-cts Naat, E, F H2O + NH36H oos in infor+ Nz - I j LEN + L mg Br il vor J 1vov 2) H20
* An analysis of a sample of water with PH-7.5 has produced t following concentrations (mg/l). (Answer the following two questions) Cations Anions 102 Cl HCO3150 SO4 Na 50 4 260 Ca 46 Mg 26 4. The total dissolved solids in mg/l a) 588 b) 540 38 d) 238 e)None 5. The Non-carbonate hardness in mg/l as CaCO is: a) 98.75 c) 122.95 d) Zero e)None
6.22 A sample of water has the following concentrations of ions: mg/l 40.0 10,0 mg/l 110.0 67.2 11.0 Cations Anions HCO; so Cl Mg Na " 7.0 (a) The concentration (expressed as mg/L) of slaked lime (CalOH)l added to the water to achieve the maximum practical softness. (b) The concentration (expressed as mg/L) of soda ash (Na,CO,) added to achieve the maximum practical softness.