In order of relative atomic mass.
Answer:
6896
Explanation:
when you covert you use decimals
<h3>Answer:</h3>
6278 mmHg
<h3>
Explanation:</h3>
Kilopascal (kPa) and Millimeter of Mercury (mm Hg) are both the units of Pressure. In medical science the pressure is often measured in mm of Hg.
Also,
0.133322387415 kPa equals = 1 mmHg equals
Then,
837 kpa will be equal to = X mmHg
Solving for X,
X = (837 kPa × 1 mmHg) ÷ 0.133322387415 kPa
X = 6278.0153898 mmHg
Or when rounded to 4 significant numbers,
X = 6278 mmHg
The state of matter is Liquid
Explanation:
The density of water is roughly 1 gram per milliliter but, this changes with temperature or if there are substances dissolved in it. Ice is less dense than liquid water which is why your ice cubes float in your glass. As you might expect, water density is an important water measurement.
Answer: The question has some details missing. here is the complete question ; An analytical chemist is titrating 88.4 mL of a 0.2700 M solution of ammonia (NH3 with a 0.4300 M solution of HNO3. The pK, of ammonia is 4.74 Calculate the pH of the base solution after the chemist has added 66.3 mL of the HNO3 solution to it . Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO3 solution
Explanation:
Given ;
- number of moles of base = 88.4 x 0.2700 = 23.868
- number of moles of acid = 0.4300 x 66.3 = 28.509
- This was after the equivalence point, as such net moles of acid = 28.509 - 23.868 = 4.641mol
- total volume of solution = 88.4 + 66.3 = 154.7mL
- Concentration of Acid = moles/volume = 4.641/154.7 = 0.03M
- From pH = -log[H^+] = -Log[0.03]
