Which laboratory equipment is needed to prepare solutions of known %(w/w)?
A) a balance
B) a volumetric flask
C) both a and b
D) neither a nor b
A
You might also like to view...
What are four ways an individual can reduce energy consumption everyday? Which of these would you consider doing and why?
What will be an ideal response?
The average number of children born to women in Latin America has been decreasing over the last two decades for all of the following reasons, EXCEPT
A) rural-to-urban migration. B) promotion of family planning programs. C) greater availability of birth control. D) government-imposed financial penalties for large families. E) increased participation of women in the workforce.
What is the most likely reason that government agencies might fail to act on an earthquake prediction?
a. ?Earthquake predictions accurately state the time of the earthquake, but not the intensity. b. ?Earthquake predictions accurately state the intensity of the earthquake, but not the location. c. ?Emergency measures and evacuation are costly and may be irresponsible if the prediction is inaccurate. d. ?Earthquake prediction has never been successful in correctly identifying a danger to life and property. e. ?Earthquake predictions can only specify which fault will rupture, not the position along the fault.
A barrel can hold 42 gallons of oil. How many liters of oil are in the barrel?
What will be an ideal response?