Nitric acid (H NO3), also known as aqua fortis and spirit of niter, is a highly corrosive mineral acid. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water.Most commercially available nitric acid has a concentration of 68%.ed fuming nitric acid, or RFNA, contains substantial quantities of dissolved nitrogen dioxide (NO 2) leaving the solution with a reddish-brown color. Due to the dissolved nitrogen dioxide, the density of red fuming nitric acid is lower at 1.490 g/mL.
Thus, a standard tuna sandwich on white contains 476 calories, while a whole-wheat tuna sandwich has 490 calories. To lower the calories, you could mix the tuna with low-fat, plain Greek yogurt.f your pantry includes tuna, you're hardly alone. According to the National Fisheries Institute, consumers in the United States enjoy more than a million pounds of tuna annually.
Talk About Tuna. A 3-ounce serving of tuna contains anywhere from 99 to 168 calories, depending on the variety you buy. Light tuna canned in water has 99 calories, compared to 109 calories in white tuna canned in water. When tuna is canned in oil, you can expect to add 49 to 69 calories to the total. If you make your sandwich using fresh, cooked tuna, youâll get a different number of calories depending on the type of tuna. A 3-ounce serving of yellowfin tuna has 118 calories, while bluefin has 156 calories.