1. Which is the percent by mass/volume (% m/v) in 0.5 M of calcium nitrate solution if the molar mass is 164.09 g/mol?
2. Which is the percent by mass (% m/m) of 4 molal concentration of glucose solution if the molar mass is 180.16 g/mol?
draw shapes of s and p orbital
write electron configuration Li,F,P,K and Cu
How many millitters would you inject into a 175 pound patient if they needed 2.50 grains of medication per 25.00 kg of body mass if the stock solution is 5.00 grains per 10.00 mL? (1kg=2.2lbs)
how many moles of oxygen are in 2.30 moles of N2O
How many grams of aluminum oxide are produced according to the reaction below given that you start with 10.0 g of 8L and 19.0 g of O2 reaction : 4Al + 3O2 ——> 2Al2O3
A chemist requires 0.303 mol Na2CO3 for a reaction. How many grams does this correspond to?
Cola drinks are usually 0.0060 M with respect to H3PO4. How many moles of this acid are in a 296.5 mL drink?