Solve the Problem. -A Chemist Needs 190 Milliliters of a 66% Solution but 66

question 188

Multiple Choice

Solve the problem.
-A chemist needs 190 milliliters of a 66% solution but has only 42% and 99% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.

• A)80 mL of 42%; 110 mL of 99%
• B)110 mL of 42%; 80 mL of 99%
• C)70 mL of 42%; 120 mL of 99%
• D)120 mL of 42%; 70 mL of 99%

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Definitions:

Best Price

The most favorable financial term offered on a product or service, often considered the lowest price offered among competitors.

Physical Store

A brick-and-mortar location where businesses sell their products or services directly to customers in person.

Near Field Communications

A set of communication protocols that enable two electronic devices, one of which is usually a portable device such as a smartphone, to establish communication by bringing them within a short distance of each other.

Showrooming

The practice of visiting a store or showroom to examine a product before buying it online at a lower price.