# Tutor profile: Karissa K.

## Questions

### Subject: Chemistry

How many grams of NaCl do I need to make 0.5L of 6M solution.

Molar (M) = moles of solute / liter of solution 1. Find our know and unknown variables 6M= moles of NaCl / 0.5L , moles of solute = unknown 2. solve for unknown moles of NaCl = 6 mol/L * 0.5L moles of NaCl = 3 mol 3. Molecular weight of NaCl = 58.44g/mol 4. convert to grams 3mol NaCl * 58.44g/mol = 175.32g NaCl

### Subject: Anatomy

Which organ is responsible for most nutrient absorption?

The small intestine. The small intestine has unique features that increase the surface area which increases absorption. Think: larger surface area = more absorption

### Subject: Algebra

Simplify the equation 5(2-4x)-6

1. Distribute: Multiply 5 by each term in the parenthesis. 10-20x-6 2. Combine like terms (10-6)-20x 3. Simplify 4-20x

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