Answer:
Density = Mass / Volume ..... which means that .....
Volume * Density = Mass
So....for the liquid in the bottle we have that
750 ml * 1.006 g / ml = Mass [ the "ml" cancels ]
750 * 1.006 g =
754.5 g .... this is the mass ["weight "] of the liquid .....
And the acetic acid is 4% of this
So........the mass ["weight"] of the acetic acid is 4% of this...so
.04 * 754.5 =
30.18 g
Explanation:
Br- < Se2- < As3- < Sr2+ < Rb+
I hope this helps although I'm not a hundred percent sure!
Just took the test and it was 32grams. On my test it was Block B: 32 Grams
Answer:
so you know what to do and you know the rules
Explanation:
Answer:
1.6605 × 10⁻²³ g / atom , 9.99 amu
Explanation:
Atoms present in 1 mole = 6.022 × 10²³ atoms
Given that
Moles of common Eastern mole = 8.3 moles
So,
Atoms in 8.3 moles are:
8.3 moles = 6.022 × 10²³ × 8.3 atoms
Also,
Average mass = Mass of the sample / Number of atoms
Mass of sample = 83 g
Average mass = 83 g / 6.022 × 10²³ × 8.3 atoms = 1.6605 × 10⁻²³ g / atom
In amu :
1 amu = 1.66 × 10⁻²⁴ g / atom
So,
Average mass = 1.6605 × 10⁻²³ / 1.66 × 10⁻²⁴ amu = 9.99 amu