Answer to Question #141356 in General Chemistry for yara

General Chemistry

Question #141356

20grams of NaOH is dissolved in enough water to make 1 liter of solution

Expert's answer

m (NaOH) = 20 g

n (NaOH) = m (NaOH)/M (NaOH) = 20 / (23 + 16 + 1) = 20 / 40 = 0.5 mol

C (NaOH) = n (NaOH) / V(solution) = 0.5 mol / 1 L = 0.5 mol/L

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. what is the % w/V concentration of calcium chloride solution made with 0.808 g of CaCl2 and 250.0 ml
2. What is the concentration, in ppm, if 0.808 grams of CaCl2 is dissolved in 250.0 ml of water.
3. What mass of solution would be needed to deliver 3.1 g of a drug if the concentration of the drug in
4. What mass of nickel is in a 2.4 kg sample of propanol if the concentration is 0.020 ppm?
5. Calculate the mass of solute PCB's in a 65 kg person, if the concentration is 4 ppm?
6. Calculate the number of moles of H2O2 in 450ml of a 35% H2O2 solution.
7. What is the concentration in ppm of PCB's in a chemical spill, if there is 60 mg in 460 kg of s