Can someone explain and show the work to get these?

6. 0.50 mol of HCl in 1.0 L of solution

7. 2.8 mol of HNO3 in 4.0 L of solution

8. 0.700 mol of NH4Cl in 50.0 mL of solution

9. 25.0 g of NaCl in 250.00 mL of solution

10. 10.0 g of Cr(NO3)3 in 325 mL of solution

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

What is the most stable monatomic ion formed from nitrogen

Asolid that forms and separates from a liquid mixture is called