A 10.0 mL sample of 1.18 M AgNO3 is diluted to a final volume of 250.00 mL. Whats the final concentration? 2.12x 103 M
0.0339 M
29.5 M
0.0472 M

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?