Answer: 2.78
Explanation:
just counted the places and then did some math on the calculator
13 - Periodic table
14 - Dimitri mandeleev
15 - groups
Mark me brainiest pls it right answer
Answer:
The answer is
<h2>0.93 cm³</h2>
Explanation:
The volume of a substance when given the density and mass can be found by using the formula
From the question
mass of NaCl = 2 g
density = 2.16 g/cm³
The volume is
We have the final answer as
<h3>0.93 cm³</h3>
Hope this helps you
Answer:
A. 0.48mol O2
Explanation:
The balanced equation is given as follows:
2CH3OH + 3O2 → 2CO2 + 4H2O
This shows that 2moles of CH3OH is required to react with 3 moles of O2
If 0.32 moles of CH3OH are reacted, then;
0.32 × 3/2 moles of O2 is required
= 0.96/2
= 0.48mol of O2