4. One product of the reaction of sodium and water is sodium hydroxide. What mass ofsodium is needed to make 2.0 L of 0.075 M NaOH(aq)?5. Potassium superoxide is used to generate oxygen in confined places, such as submarinesand spacecraft.4KO:(s) + 2CO2(g) → K¿CO:(s) + 302(g)What mass of oxygen will be produced for each 1.0 g KO2 consumed?

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4. One product of the reaction of sodium and water is sodium hydroxide. What mass of sodium is needed to make 2.0 L of 0.075 M NaOH(aq)?

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter4: Stoichiometry

Section: Chapter Questions

Problem 4.105PAE

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

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4. One product of the reaction of sodium and water is sodium hydroxide. What mass of
sodium is needed to make 2.0 L of 0.075 M NaOH(aq)?
5. Potassium superoxide is used to generate oxygen in confined places, such as submarines
and spacecraft.
4KO:(s) + 2CO2(g) → K¿CO:(s) + 302(g)
What mass of oxygen will be produced for each 1.0 g KO2 consumed?

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