Question

1. An average potato chip serving size contains 195 mg of sodium. a. How many ions of sodium is this? b. How many grams of sodium chloride is this? 2. A compound was found to be 40.04% Ca, 12.00% C, and 47.96% O. Determine the empirical formula of the compound. 3. A hydrocarbon with the empirical formula $C_4H_9$ was found to have a molar mass of 114.23 g/mol, what is the molecular formula?

          1. An average potato chip serving size contains 195
mg of sodium.
a. How many ions of sodium is this?
b. How many grams of sodium chloride is this?
2. A compound was found to be 40.04% Ca, 12.00%
C, and 47.96% O. Determine the empirical formula
of the compound.
3. A hydrocarbon with the empirical formula $C_4H_9$
was found to have a molar mass of 114.23 g/mol,
what is the molecular formula?

1. An average potato chip serving size contains 195
mg of sodium.
a. How many ions of sodium is this?
b. How many grams of sodium chloride is this?
2. A compound was found to be 40.04% Ca, 12.00%
C, and 47.96% O. Determine the empirical formula
of the compound.
3. A hydrocarbon with the empirical formula C4H9
was found to have a molar mass of 114.23 g/mol,
what is the molecular formula?

Added by Corey B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Ivan Kochetkov

11/11/2022

Step 1

195 g$ Find the number of moles of sodium: Molar mass of Na = 22.99 g/mol $moles = \frac{mass}{molar mass} = \frac{0.195 g}{22.99 g/mol} = 0.00848 mol$ Find the number of ions: $ions = moles \times Avogadro's number = 0.00848 mol \times 6.022 \times 10^{23} Show more…

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1. An average potato chip serving size contains 195 mg of sodium. a. How many ions of sodium is this? b. How many grams of sodium chloride is this? 2. A compound was found to be 40.04% Ca, 12.00% C, and 47.96% O. Determine the empirical formula of the compound. 3. A hydrocarbon with the empirical formula $C_4H_9$ was found to have a molar mass of 114.23 g/mol, what is the molecular formula?