Author Question: Normal saline is 0.920 (w/v) NaCl in water. How many grams of NaCl are needed to prepare 15.0 L of ... (Read 80 times)

ishan · **on:** Aug 27, 2018

Normal saline is 0.920 (w/v) NaCl in water. How many grams of NaCl are needed to prepare 15.0 L of normal saline?

A) 1.38 g
B) 16.3 g
C) 53.8 g
D) 138 g
E) 807 g

Question 2

All of the statements about carboxylic acids are true except

A) they undergo substitution reactions involving the -OH group.
B) at low molecular weights they are liquids with sharp stinging odors.
C) they form hydrogen bonds, causing their boiling points to be higher than expected on the basis of molecular weight.
D) they react with bases to form salts which are often more soluble than the original acid.
E) when they behave as acids, the -OH group is lost leaving the CO- ion.