Gallium consists of 60. % 69Ga and 40. % 71Ga. Arsenic has only one naturally occurring isotope. Gallium arsenide is a polymeric material, but its mass spectrum shows fragments with formulas GaAs and GaAsą. What would the distribution of peaks look like for these two fragments?

penicillin V potassium is to be administered to a child weighing 47 lb. the dosage rate is 15 mg per kilogram. betapen VK oral solution on hand contains 250 mg/5mL. how many milliliters of the oral solution should be administered to the child?

Need help with problems 105 and 106

1C. 4.0 1D. 88 C4H7O₂Br C9H12O 808 3000 2000 100 3.0 MM PPM 89 2 88 2.0 W

A buret contains an unknown solution. mL Initially the buret was filled with the solution so that it read 12.46 mL and the balance below read 111.71 g with an 21 empty beaker on it. Some volume of the solution was dispensed into the beaker. Use the measurements from the buret and the balance to 22 determine the density of the unknown solution. d = g/mL 31.47

What is the normality of 0.0824M H3PO4H3PO4?Type only the numerical value in three significant figures.

ntration requested in t ld the dosing instructi le the answer in both t = 5 mL. Equivalencies Navigator+.)

103.351*102 to four significant figures

2. Convert 475.0 dyne/cm? to Pa.

The dose of a drug is 50 mg/kg of body weight once daily for 7 consecutive days. For a child weighing 76 lbs., the volume of a syrup containing 500 mg of drug per teaspoonful to be prescribed is ____ mL.