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Lorico [155]
3 years ago
12

A chemist adds of a aluminum chloride solution to a flask. Calculate the mass in grams of aluminum chloride the chemist has adde

d to the flask. Be sure your answer has the correct number of significant digits.
Chemistry
1 answer:
DerKrebs [107]3 years ago
4 0

The given question is incomplete. The complete question is:

A chemist adds 95.0 ml of a 1.5M aluminum chloride solution to a flask. Calculate the mass in grams of aluminum chloride the chemist has added to the flask. Be sure your answer has the correct number of significant digits.

Answer:  19.0 grams

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

Molarity=\frac{n\times 1000}{V_s}

where,

n = moles of solute

V_s = volume of solution in ml

moles of AlCl_3 = \frac{\text {given mass}}{\text {Molar mass}}=\frac{xg}{133.34g/mol}

Now put all the given values in the formula of molarity, we get

1.5=\frac{x\times 1000}{95.0\times 133.34}

x=19.0g

Therefore, the mass in grams of aluminum chloride the chemist has added to the flask is 19.0

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