Answer to Question #145473 in Chemistry for Michelle

Question #145473

Determine the molarity M of a solution of 0.150 g of NaOH in 100 mL of water (Na = 23; O = 16; H = 1)

Expert's answer

C_M=n/V

n=m/M

M (NaOH)=40 g/mol

n (NaOH)=0.150/40=0.004 mol

100 ml=0.1 L

C_M(NaOH)=0.004/0.1=0.04 M

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. Calculate the number of miles of calcium chloride that can be obtained from 25g of limestone in the
2. A plant cell with 5% solute and 95% water is placed into a solution of 10% solute and 90% water. The
3. 250 mL of argon gas is held in a flexible vessel shown above. If the pressure changes to 12.0 atm, w
4. 250 mL of argon gas is held in a flexible vessel shown above. If the pressure changes to 12.0 atm, w
5. If water on the earth’s surface seeps down underground as it is pulled by earth’s gravity, what
6. Mass of dish +magnesium oxide=14.70 Mass of dish=8.90Calculate the mass of magnesium oxide used
7. 1. Balance the following reaction with the oxidation number method: Cr2O7 (2 -) + C2O4 (2-) → Cr 3