Answer to Question #151071 in General Chemistry for Skye Bembridge

General Chemistry

Question #151071

If 123.0 g of sodium reacts with water in a single replacement reaction, how many grams of hydrogen gas are produced?

Expert's answer

2Na + 2H₂O --> 2NaOH + H₂;

m(H₂)=m(Na) * Mr(H₂)/(2*Mr(Na))=123*2/46= 5.35 g

Answer: 5.35 g of hydrogen is produced

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. how many unshared electrons surround silicon in SiH2Cl2?
2. How many moles of gas would be present in 0.23 L at STP?
3. A sample of chlorine gas occupies a volume of 600mL at 25 degrees C and 2.00 atm. How many moles of
4. In an experiment carried at 1atm, a solution of 90.3 g of non-volatile compound soluble in 200 mL w
5. A solution contains 25 mL 0.1 Pb2+ and 25 mL 0.2 M Cu2+, was added with concentrated Na2CrO4 soluti
6. What is the chemical formula for water?
7. Elemental exonium (not a real element) consists of two major isotopes Abundance Mass 47% 90 amu