Answer:
The answer is
<h2>219.65 g</h2>
Explanation:
The mass of a substance when given the density and volume can be found by using the formula
<h3>mass = Density × volume</h3>
From the question
volume of benzene = 250 mL
density = 0.8786 g/mL
The mass is
mass = 250 × 0.8786
We have the final answer as
<h3>219.65 g</h3>
Hope this helps you
Answer: 0.335 mols Ca(NO3)2
Explanation: To go from grams to mols you divide grams by the molar mass of the substance so, 55/164.088 = 0.335
Smashing a cake the ingredients didn't change but it's appearance did
Answer:
The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.
Explanation: Cause I'm smart like that!