This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How much NaCl is needed to make 75 mL of a 12 (w/v) solution? A) 30 g B) 6.0 g C) 7.5 g D) 9.0 ... (Read 27 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
on: Aug 27, 2018
How much NaCl is needed to make 75 mL of a 12 (w/v) solution?
 
  A) 30 g
  B) 6.0 g
  C) 7.5 g
  D) 9.0 g
  E) 12 g

Question 2

What is the total length of two pieces of rubber tubing which are 7.69 cm and 4.028 cm in length? Express this answer to the correct number of significant figures.
 
  A) 11.7 cm
  B) 11.69 cm
  C) 11.718 cm
  D) 11.72 cm
  E) 12 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

l.stuut

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


natalie2426

  • Member
  • Posts: 524
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

A good disinfecting solution you can make yourself consists of 1 part bleach to 10 parts water. A good disinfecting solution you can make yourself consists of 1 part bleach to 10 parts water.
Amphipathic Molecules In aqueous solution Amphipathic Molecules In aqueous solution
Function, even or odd, solution Function, even or odd, solution
A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ... A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ...
Solution to linear and parabola Solution to linear and parabola
How to make pancakes How to make pancakes
Video: Skin Cancer

For a complete list of videos, visit our video library