Other Chemistry Answers

Calculate solubility of sold caf2

What is the molarity of a sodium carbonate solution containing 32.52 g Na₂CO₃ dissolved in enough water to make 822 ml of solution?

A solution of NaOH has a concentration of 4 g/dm3. What is the mass of NaOH contained in 250 cm¬3 of this solution?

evise a procedure to dilute part of the 0.200 mol/L solution to make 20 mL of 0.150 mol/L solution. (hint:  use the dilution formula).  Write a sentence that describes how much of your initial 0.200 mol/L solution needs to be used, and how much water needs to be added to make this solution

Group 7a elements tend to lose or gain electrons when they form ions

how many liters of neon gas are in 7 moles of neon gas?

1.5 grams of ethanol (CH3CH2OH) is burned under a 300-milliliter sample of 

water. This causes the water sample to increase the temperature by 55°C. 

Calculate the heat of combustion of ethanol. Assume that the density of water is 1 

gram/milliliter.

Starting with the solid and adding water, how would you prepare 2.00 L of 0.685 M Ni(NO₃)₂?

what size container do you need to hold 4.97 mol of N2 gas at STP

A teaspoon of milk of magnesia contains 25.0 mg of magnesium hydroxide, Mg(OH)2.  What volume of 0.010 M HCl in a person’s stomach would be neutralized by this teaspoon of antacid?