12.5m agno3 is made using 3.5l h2o. how many grams agno3 are needed to produce the solution?

612 g

Explanation:

concentration or molarity is the number of moles of solute in 1 L of solution

the molarity of the solution is 12.5 M

therefore there are 12.5 mol in 1 L of solution

in 1 L of solution there are 12.5 mol

therefore in 3.5 L there are - 12.5 mol/L x 3.5 L = 3.6 mol

molar mass of AgNO₃ is 170 g/mol

mass of 3.6 mol of AgNO₃ is - 170 g/mol x 3.6 mol = 612 g

612 g of AgNO₃ is needed to make a 12.5 M solution

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".