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vladimir1956 [14]
2 years ago
8

A scientist has found a new drug that appears to provide weight loss in humans without dieting. The scientist has tested the dru

g on thousands of people and has found few side effects. Which of the following should the scientist do next?
Chemistry
1 answer:
g100num [7]2 years ago
4 0

Answer:

Give the test to a company that gives permission for the drug to given to the rest of the world.

Explanation:

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What is the molarity of a solution that contains 122g of MgSO4 n 3.5L of solution?​
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Answer:

0.29mol/L or 0.29moldm⁻³

Explanation:

Given parameters:

Mass of MgSO₄ = 122g

Volume of solution = 3.5L

Molarity is simply the concentration of substances in a solution.

Molarity = number of moles/ Volume

>>>>To calculate the Molarity of MgSO₄ we find the number of moles using the mass of MgSO₄ given.

Number of moles = mass/ molar mass

Molar mass of MgSO₄:

Atomic masses: Mg = 24g

S = 32g

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Molar mass of MgSO₄ = [24 + 32 + (16x4)]g/mol

= (24 + 32 + 64)g/mol

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The Molarity of MgSO₄ = 0.29moldm⁻³

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