A 71.2 grams of sample of oxalic acid, (H2C2O4) was dissolved in 1.00 Litres of solution. How would you prepare 1.00 Litres of 0.150 Molars (H2C2O4) from this solution?

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

Which of the following is true about the speed of light? it depends on the wavelength.