:^

Calculate the mass of a sample of CaCl2 containing 2 mol of this substance​

221.96 g

Explanation:

Step 1: Given data

Moles of calcium chloride (n): 2 mol

Step 2: Calculate the molar mass of calcium chloride

The molar mass of the compound is equal to the sum of the molar masses of the elements that form it.

M = 1 × M(Ca) + 2 × M(Cl)

M = 1 × 40.08 g/mol + 2 × 35.45 g/mol = 110.98 g/mol

Step 3: Calculate the mass (m) of calcium chloride

We will use the following expression.

m = n × M

m = 2 mol × 110.98 g/mol = 221.96 g

the food using pesticides in the future will harm you by giving you diseases like cancer or something since they have things that we should not eat in it like chemicals or pesticides. that is why organic food is more expensive because they take the time to make it right and healthy for you to eat.

explanation:

some sources quote the lethal dose, for an average 170lbs opiate-naive individual is between 75 and 375 mg