What is the mass percent of sulfur in Na2SO4? Answer in %. Round your answer to the ones place. Do not use scientific notation. Do not type units. 

45 mL of 1.4 M glucose is diluted to a total volume of 75 mL. What is the final concentration of glucose?  Answer in M. Do not use scientific notation. Do not type units. Canvas may add leading or trailing zeros to your answer; these will NOT affect your grade.

Beth earns $100,000 working as a part time lawyer in New Orleans. The company provides a matching contribution to the 401(k) plan of 50% of her contribution up to a maximum matching contribution of 4% of compensation. Her 401(k) plan account had $60,000 in it at the beginning of the year. She contributed $15,000 to the plan this year and the employer made the matching contribution before year-end. The ending balance of the account is $100,000. What is her savings rate this year?  

How many moles are in 21 g Na2SO4? Answer in mol. Do not use scientific notation. Do not type units. 

Mel and Alice have two sons, Zack, age 17, and Cody, age 14. Cody was born with a genetic condition that will require continual medical and custodial care throughout his lifetime.  Alice’s parents would like to make a gift of $32,000 to each of the boys, to assist with Zack’s college expenses and with Cody’s care and other expenses.  Which of the following statements are true regarding the gifts? If the gift to Zack is made to a Sec. 529 Qualified Tuition plan, and Zack gets a scholarship and does not need all of the money in the plan, it can be rolled to an ABLE account for Cody (up to the dollar limit for ABLE account contributions). If the gift to Cody is made to an ABLE account (over a 2-year period), the money can be distributed to pay for Cody’s disability-related expenses and will be taxable income to Cody. If the gift to Cody is made to an ABLE account (over a 2-year period), Cody’s government benefits for SSI and Medicaid will not be impacted.

Which of the following is not an example of a special needs situation? 

Suppose Host A sends Host B a TCP segment encapsulated in an IP datagram. When Host B receives the datagram, how does the network layer in Host B know it should pass the segment (that is, the payload of the datagram) to TCP rather than to UDP or to some other upper-layer protocol?

What field in the IP header can be used to ensure that a packet is forwarded through no more than N routers?

When a large datagram is fragmented into multiple smaller datagrams, where are these smaller datagrams reassembled into a single larger datagram?

Research on the use of cell phones while driving indicates that the