Answer:
why don't you try 54 x 10.5/10 1/2 x 86?
Explanation:
it might give you the quickest and fairly accurate answer
Answer:
Explanation:
Aqua regia is a strong and very concentrated acid formed by mixing Hydrochloric acid(HCl) and nitric acid.
The acid is very corrosive due to its formulation and it nearly reacts to dissolve all substances including the unreactive gold metal. It is formed by mixing the two acids in a proportion of 1:3, i.e HCl in 3 parts and nitric acid in 1 part.
The mixture dissolves a wide range of metals
Density is mass over volume. If you put it into a formula it would look like this:

Based on the problem given, you can see that the mass of the aluminum block is 82.0 g and the volume is 12.8 cm3. Just put that into your equation and solve for it:
The answer is then letter C.
48.78%
Percentage of MgSO4 = mass of MgSO4/ mass of sample (MgSO4. 7H20) and multiply it by 100.
Answer:
B pancreas, since the pancreas secretes insulin
Explanation: