84.0 g Ta

35. For each of the following solutions, the mass of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 3.51 g NaCl: 25 mL c. 3.51 g NaCl: 75 mL b. 3.51 g NaCl; 50. mL d. 3.51 g NaCl; l.00 L

Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ratio and a sample of water vapor? Explain.

Assume that the radius of Earth is 6400 km, the crust is 50. km thick, the density of the crust is 3.5 g/cm3, and 25.7% of the crust is silicon by mass. Calculate the total mass of silicon in the crust of Earth.

Rt is 0.616 T is 37c G=G+RT * ln(k)

Cs(s) + FeS(aq)

102.2 g NaCl = _______________ mol NaCl

balance Na(s)+HCI(aq) NACl(aq)+H2(g)

If you were to add 22 grams of medium to 1000 ml of distilled water. How many grams should you weigh to prepare 250 ml of medium?

How many grams of sodium carbonate are present in 25.7 mL of a solution that is 24.0% sodium carbonate by mass? The density of the solution is 1.09 g/mL A) 3.125 g B) 6.25 g C) 6.12 g D) 6.72 g E) 1.06 g