1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Umnica [9.8K]
3 years ago
9

How many ml of a .4 % solution of nalorphine must be injected to obtain a dose of 1.5 mg

Chemistry
1 answer:
wolverine [178]3 years ago
4 0

0.4% = 0.004

(1.5mg /1000g ) / 0.004 = 0.375ml

You might be interested in
What is the molarity (M) of the following solutions?
Dennis_Churaev [7]

Answer:

The molarity (M) of the following solutions are :

A. M = 0.88 M

B. M = 0.76 M

Explanation:

A. Molarity (M) of 19.2 g of Al(OH)3 dissolved in water to make 280 mL of solution.

Molar mass of Al(OH)3 = Mass of Al + 3(mass of O + mass of H)

                                      = 27 + 3(16 + 1)

                                      = 27 + 3(17) = 27 + 51

                                      = 78 g/mole

Al(OH)_3 = 78 g/mole

Given mass= 19.2 g/mole

Mole = \frac{Given\ mass}{Molar\ mass}

Mole = \frac{19.2}{78}

Moles = 0.246

Molarity = \frac{Moles\ of\ solute}{Volume\ of\ solution(L)}

Volume = 280 mL = 0.280 L

Molarity = \frac{0.246}{0.280)}

Molarity  = 0.879 M

Molarity  = 0.88 M

B .The molarity (M) of a 2.6 L solution made with 235.9 g of KBr​

Molar mass of KBr = 119 g/mole

Given mass = 235.9 g

Mole = \frac{235.9}{119}

Moles = 1.98

Volume = 2.6 L

Molarity = \frac{Moles\ of\ solute}{Volume\ of\ solution(L)}

Molarity = \frac{1.98}{2.6)}

Molarity = 0.762 M

Molarity = 0.76 M

4 0
3 years ago
What are 2 metric system units for measuring liquid volume?
Step2247 [10]

Answer:

milliliters and liters.

3 0
3 years ago
the element Potassium is found in the fourth. Of the periodic table what does that tell you about an atom of potassium​
alexira [117]
It tells you how many atoms it has, how many protons it contains and the number of electrons.

6 0
3 years ago
Most points for whoever anwers I need your help please
xeze [42]
Not sure but i guess A
8 0
3 years ago
Read 2 more answers
5 difference between Ionic compound and covalent compounds in tabular form<br>​
Savatey [412]

1. Ionic compounds are formed by the transfer of electrons that are positively and negatively charged, whereas, covalent compounds are formed by sharing the electrons. 2. In an ionic compound, bonding involves a metal and nonmetal, whereas, in the covalent compound, bonding is between nonmetals.

8 0
3 years ago
Other questions:
  • A voltaic cell is created by using a copper cathode and a magnesium anode. The cathode is immersed in a solution of Cu2 ions, an
    8·1 answer
  • 3% Hydrogen Peroxide has an oral LD50 of 900 mg/kg. Acetic Acid has an oral LD50 of 3310 mg/kg. Which one is more hazardous to c
    9·1 answer
  • How would an increase in gradient affect the speed of water
    10·1 answer
  • What is the total number of elements in group 17 that are gases at room temperature and standard pressure?
    14·1 answer
  • When sodium chloride is dissolved in water, the resulting solution is classified as a?
    15·2 answers
  • According to the following reaction, how many grams of potassium phosphate will be formed upon the complete reaction of 29.6 gra
    15·1 answer
  • Write a balanced equation for the combustion of C7H16(l) (heptane) -- i.e. its reaction with O2(g) forming the products CO2(g) a
    6·1 answer
  • What is the category name of these each:
    7·1 answer
  • HURRY PLEASE (MULTI CHOICE)
    11·2 answers
  • In the reaction catalyzed by the pyruvate dehydrogenase complex, the two carbons constituting the acetyl group are
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!