The student filters and dries the precipitate of CaCO3 (molar mass 100.1g/mol ) and records the data in the table below. Volume of Na2CO3 solution

50.0 mL

Volume of 1.0MCa(NO3)2 added

100.0 mL

Mass of CaCO3 precipitate collected

0.93 g

c) Determine the number of moles of Na2CO3 in the original 50.0mL of solution.

99 pts which of the following statements refers to the wage-price spiral process? the salary of a worker fluctuates with the amount of sales he or she accomplishes per month. an employee loses his or her job, finds a position at another company, and is underemployed. employees only receive a raise when their purchasing power has been eroded by inflation. a worker receives a raise, which increases costs for the employer.