3. Water has a mass per mole of 18.0 g/mol, and each water molecule (H 2 O) has

Question

3. Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons.

1.66e27 electrons was right

What is the net charge of all these electrons?

cant figure out this part ___ C

THIS ANSWER IS NOT 2.6e8 9.60e8 or 4.45

4. In a vacuum, two particles have charges of q1 and q2, where q1 = +3.3

Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. How many electrons are there in 5 liters of water? (A liter is 1.00 times 10-3 m3) 1.66e27 electrons was right What is the net charge of all these electrons? In a vacuum, two particles have charges of q1 and q2, where q1 = +3.3 mu C. They are separated by a distance of 0.29 m, and particle 1 experiences an attractive force of 3.0 N. What is q2 (magnitude and sign)? Two point charges are fixed on the y axis: a negative point charge q1 = -27 mu C at y1 = +0.24 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +8.7 mu C is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges has a magnitude of 28 N and points in the +y direction. Determine the magnitude of q2.

Explanation / Answer

3. Water has a mass per mole of 18.0 g/mol, and each water molecule (H 2 O) has

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