Answer to Question #267159 in General Chemistry for AkpRonald

General Chemistry

Question #267159

How many oxygen are in (a) 0.25 mol NaOH, (b) 1.50 mol Na² So⁴,and (c) 2.25 mol KNO³

Expert's answer

Molar mass of NaOH = 39.997

= 0.25×39.997/3= 3.333g

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. 1. Find the molality and molarity of the sample consisting 75% Copper and 25% Nickel by mass. The co
2. a Amylum, commonly known as starch is a white powder with variable molecular formula due to the diff
3. Case #2: Sodium chloride eye dropsYour pharmaceutical analysis company has been contacted by an impo
4. Tungsten carbide (WC), used in making tools and jewelries, is produced by the reaction of tungsten h
5. 1. Thermite reaction is necessary to produce molten iron. This reaction involves Fe3O4 and Al and is
6. How much heat (in kJ) is released when 15.0 L of CO at 85°C and 112 kPa reacts with 18.5 L of H2 at
7. How many grams of (NH4)2SO4 (fw = 132.14 g/mol) should be added to 425 mL of a 0.258