Define what is the molarity of a solution made by dissolving

Reference no: EM13176029

1) What is the molarity of a solution made by dissolving 5.69 g of sodium acetate in water and diluting to 750. mL? (molar mass NaC2H3O2 is 82.0 g/mol.)

2) An open-ended mercury manometer is used to measure the pressure exerted by a trapped gas as shown in the figure. Atmospheric pressure is 750. mmHg. What is the pressure (in mmHg or torr) of the trapped gas if h =2 cm?

crystallizes in a face-centered cubic lattice. What is the mass of one unit cell? Report your answer in grams.

Choose one answer.
a. 4.22 x 10-22 g
b. 2.11 x 10-22 g it's wrong
c. 1.06 x 10-22 g
d. 3.17 x 10-22 g

Reference no: EM13176029

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