# Molarity

Molarity, a fundamental concept in chemistry, measures the concentration of a solute in a solution and plays a crucial role in various chemical calculations. Defined as the moles of solute per liter of solution, molarity provides a quantitative measure of how much of a substance is present in a given volume. This parameter is widely employed in laboratory settings, aiding scientists and researchers in precise and standardized chemical reactions. Understanding molarity is essential for students and professionals alike, as it forms the basis for comprehending solution properties, dilutions, and other crucial aspects of chemical analysis.

Questions

- If 9.8ml of sulphuric acid is dissolved in 1dm3 of solution then what is the molarity of the solution?
- A solution is prepared by dissolving 10.8g ammonium sulphate in enough water to make 100ml of stock solution. A 10ml sample of this stock solution is added to 50ml of water. Calculate concentration of ammonium ions and sulphate ions in the final solution?
- What is the molarity of 10 NaOH?
- What is the molarity if 90 grams of magnesium oxide is present in 750 mL of solution?
- 68 mL of a 0.28 M CaCl2 solution is added to 92 mL of a 0.46 M CaCl2 solution. Determine the concentration of the combined solution. Show all work with units. How would you solve this?
- Which one of the following is a 1 molar solution?
- What is the molarity of a solution of #H_3PO_4#, if 15.0 mL is neutralized by 38.5 mL of 0.150 M NaOH#?
- 115 mL of a 2.35 M potassium fluoride solution is diluted with 1.28L of water. What is the new concentration in molarity?
- How concentrated is concentrated acid? What about dilute acid?
- If a chemist needs to make 35.05 g of #CuI_2#, how many mL of a 3.3 M solution of #NaI# must he use, assuming there is excess copper (II) nitrate?
- What is the molarity of hydrochloric acid in a solution that contains a #3.65*g# mass of #HCl(g)# in #500*mL# aqueous solution?
- What is the molality of a solution in which 15 g of #I_2# is dissolved in 500.0 g of alcohol?
- How many moles of NaOH are present in 18.5 ml of 0.130 M NaOH?
- One solution contains 55 g #NaCl # per liter. and another contains 55 g #KCl# per liter. Which solution has the higher molarity? How can you tell?
- It takes 10 mL of 0.15 M #KOH# solution to neutralize 7.5 mL of #HNO_3# solution. What is the molarity of #HNO_3#?
- What mass of sodium hydroxide would be equivalent to a #20*mL# volume of acetic acid, for which #rho_"HOAc"=1.049*g*mL^-1#?
- How high can molarity be?
- A 259-mL sample of a sugar solution containing 1.02 g of the sugar has an osmotic pressure of 30.2 mmHg at 34.1°C. What is the molar mass of the sugar?
- A #17.2*g# mass of ethylene glycol was dissolved in a #500*g# mass of water to give a solution of #515*mL# volume. What are....?
- How do we prepare a #500*mL# volume of #0.50*mol*L^-1# #NaOH(aq)#?