01-05-2020
Chemistry

contestada

How many grams of NaBr are needed to make 60 g of a 5.0% solution?

Respuesta :

drpelezo drpelezo

01-05-2020

Answer:

3.0 gram NaBr

Explanation:

A 5.0% aqueous solution of NaBr => 5 grams NaBr per 100 grams of solution

=> 0.05 gram NaBr per 1.0 gram of solution

=> grams of NaBr for 60g of 5% solution = 0.05·g·NaBr/g·Soln X 60g·Soln

= 3.0g NaBr

Answer Link

Otras preguntas

The age of eligibility for full social security benefits was ______, but between 2002 and 2007 rose to ______.

An 80.0 g sample of iodine-131 was placed in a sealed vessel forty days ago. Only 2.5 g of this isotope is now left. What is its half-life?

The equation of a circle is (x−2)^2+(y−16)^2=169 . What is the circle's radius?

Which set of numbers represents the lengths of the sides of a right triangle? a. 5,10,15 b. 13,35,37 c. 9,40,41 d. 6,9,10

what is the most appropriate tone for a research paper or project

why are differences of people a good thing?

A major architectural development that appeared in roman architecture was the

BRAINLIESTTTT ASAP!!! please help

Where is the summary of the main idea and support usually found in an informational text? Introduction Third body paragraph Transition sentences Conclusion

In the reaction 2NaOH + H2SO4 → Na2SO4 + 2H2O, 80 grams of NaOH reacts with H2SO4 to form _______ grams of Na2SO4. Fill in the blank. Your answer: 142 g 114 g