General Chemistry Answers

Chlorine occurs in two common isotopes. It appears as Cl-35 75.8% of the time and as Cl-37 24.2% of the time. What is its average atomic mass? Express your answer in amu with 2 decimal digits. *

How many ml of 10% Sucrose solution should be added to 35 ml of 40% Sucrose solution to make a 15% Sucrose solution?

The solubility of the hydroxide of a hypothetical metal, Me, in water is 144.27 g MeOH per 54.88 mL water. Calculate the amount of water in mL needed to dissolve 32.41 g of MeOH.

Atomic Mass:

Me: 68.32 g/mol

O: 15.999 g/mol

H: 1.00784 g/mol

The solubility of the hydroxide of a hypothetical metal, Me, in water is 144.27 g MeOH per 54.88 mL water. Calculate the amount of water in mL needed to dissolve 32.41 g of MeOH.

Calculate the PH and POH of pure water at 25 °C ([H+]=1.00×10-7M).

1.5x10^2 km/hr to ft/s

44.1Mm=km

how many grams of li are needed to produce 9.89 grams of h2

Police officers confiscate a packet of white powder that they believe contains heroin. Purification by a forensic chemist yields a  41.11 mg sample for airproof combustion analysis. The sample gives  103.5 mg of CO₂ and  22.11 mg of H₂O. A second sample is analyzed for nitrogen content, which is 3.8%.