Answer:
We need add acid to prepare 0.15 acetate buffer with pH 3.7.
Explanation:
As we know that buffer solution is the combination of weak acid with strong base or strong acid with weak base.
We know that CH3COOH is weak acid .Acetate buffer is the combination of weak acid CH3COOH and conjucate base CH3COO- (from salt).
So we have to add acid to achieve the proper final pH value of mixture.We need add acid to prepare 0.15 acetate buffer with pH 3.7.
The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.
Answer:
the pressure of gas is 100.0 the volume is 500.0
Explanation:
Answer : The volume of 0.10 M NaOH prepared can be 750 mL.
Explanation :
Formula used :
where,
are the initial molarity and volume of NaOH.
are the final molarity and volume of NaOH.
We are given:
Putting values in above equation, we get:
Hence, the volume of 0.10 M NaOH prepared can be 750 mL.
1 mole ------------ 6.02x10²³ atoms
5.88 moles ---- ?
atoms = 5.88 * 6.02x10²³ / 1
= 3.539x10²⁴ atoms
hope this helps!