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

Is STM semantically or acoustically encoded??

Identify the turning point of the function f(x)=x^2-2x+8 by writing its equation in vertex form. Show work

Is STM semantically or acoustically encoded??

A bottle rocket that was made in science class had a trajectory path that followed the quadratic equation y=-x^2+4x+6. What is the turning point of the rocket's

Which of the following is equivalent to 3a + 4b – (–6a – 3b) ? A. 16ab B. –3a + b C. –3a + 7b D. 9a + b E. 9a + 7b

Help??? What is 3x+5x=67y?

what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.

Which of the following oxides can dissolve in water to form a solution that would turn litmus indicator red in color? a. MgO b. K₂O c. CO₂ d. ZnO e. H₂O

Which of the following molecules has polar bonds but is a nonpolar molecule? a. H₂ b. H₂O c. NH₃ d. NaCl e. CO₂ Can anyone explain this one?

How many heart chambers does a shark have?