How much R-134a you put in will also depend on the model and the engine. But the best way to fill the system is to go by the PSI level (which is determined by the ambient temperature). But you can find a chart on the website link below. Look at the icon "to find your low side port" it will also have a Refrigeration and Lubricate Specs that will give you the information you are looking for.
R134a
1.8 pounds
98 ounces = 6.125 pounds
98 pounds is 44,452.1 grams.
98 pounds is 1,568 ounces.
THERE IS NO FREON IN A 98 IT IS R134
7 stone = 98 pounds.
R134a
About 0.2161 pounds to 98g
There are 16 ounces in one pound. Therefore, 98 ounces is equal to 98/16 = 6.125 pounds.
98 kg = 216.053054 pounds
7 stone = 98 pounds.