What is the molarity of a solution in which 211g sodium hydrogen carbonate is dissolved in a 10.0L solution?

As you move from right to left on the periodic table the atomic radius fill in the blank

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c