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Assignment:
1. Calculate the molarity of a solution created by pouring 7.62 g of MgCl2 (Mg= 24.31 g/mol; Cl: 35.45 g/mol) into enough water to create 400 mL of solution
2. Calculate the osmolarity if 114.5 g of KCl (MW of K: 39g/mol; Cl: 35.45 g/mol) is dissolved in enough water to make 3.6 L of solution. Answer up to 2 decimal places
3. Convert 2.5 M HCl to normality
determine what volume of 3.00m hcl in liters is required to react completely with 0.500l of 0.200m na2co3?a gas sample
A compound contains only carbon, hydrogen, nitrogen and oxygen. Combustion of 0.314 g of the compound produced 0.426 g CO2, and 0.0620 g H2O.
Consider a 0.141 L solution of the amino aspartic acid (0.825 M), which has a carboxylic acid group (pKa = 2.10), an amine group (pKa = 9.82), and a carboxylic acid side chain (pKa = 3.86). How many liters of 2.63 M NaOH would you need to add to r..
Xylose has the same structure as glucose apart from that it has a hydrogen atom at C-6 in place of a hydroxymethyl group. The rate of ATP hydrolysis by hexokinase is noticeably enhanced by the addition of xylose as opposed to glucose.
if you have 1 gram of - ethyl lactate and purify it with an enantiomeric excess of 85 yields wihout any loss of
The Ka of a monoprotic weak acid is 5.16 × 10-3. What is the percent ionization of a 0.153 M solution of this acid?
Use Poiseuille's equation to calculate the viscosity coefficient given the following variables:
aqueous solutions containing approximately 3 percentwwh2o2nbspare sold in drug stores as adisinfectant. determination
What is the relationship between constant acceleration and velocity? Constant velocity and acceleration?
If air's density is 1.29 g/l define what three gaseous elements if place in a balloon would cause the balloon to rise in air as well as what three elements would cause the balloon to sink in air
How many of these nuts would a 67kg person have to eat to obtain enough energy to bike (racing)for 40min?
A pipette is used to add 46 mL of 0.3 M Pb(NO3)2 to a 273.0 mL solution of 0.3 M NaF. Determine the equilibrium concentration of Pb2+(aq) in the final solution. Ksp(PbF2)=3.6E-8
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