The density of a 23.0% by mass ethylene glycol (c2h6o2) solution in water is 1.04 g/ml. find the molarity

Select the correct answer. What statement is true about the presence of cl - in solution? A. It will cause an increase in the pH. B. It will cause a decrease in the pH. с. It will not affect the pH. D It will cause an increase in OH ions.

Does the element cobalt have a odor?

A sample of O2 occupies 75 L at 1 atmIf the volume of the sample doubles, what is the new pressure of O 2? atm

1) What type of star covers all brightness and temperatures? A) White Dwarfs B) Main Sequence Stars C) Giants D) Supergiants 2) What type of stars are bright and cool? A) White Dwarfs B) Main Sequence Stars C) Giants D) Supergiants

What is the correct interpretation of the mole ratios for the elements in the following compound? * C6H1206 1 mole Cions: 3 moles Hions : 1 mole O ions 1 mole C atoms: 3 moles H atoms: 1 mole O atoms 6 moles Cions: 12 moles Hions : 6 moles O ions 6

The use of fertilizers in agriculture has significantly altered several nutrient cycles including:

If 31.6 g of KMnO4 is dissolved in enough water to give 160 mL of solution, what is the molarity? AND what mass of oxalic acid, H2C204, is required to make 300 mL of a. 74 M solution?

From where do the kinetic tiles collect energy?

For the reaction 2Fe + 3Cl2 → 2FeCl3 which of the following options gives the correct reactant:reactant ratio? Fe:Cl2 = 1:1 Fe:Cl2 = 2:3 Fe:Cl2 = 3:2 Fe:FeCl3 = 1:1

A 2.575 g piece of gold (specific heat = 0.129 J/g°C) at a temperature of 75°C is placed into cold water at 10°C. If the gold loses 10.0 J of energy, what is its final temperature in the water? Enter your answer to the nearest whole number of °C.