50 points! must show work!

1) how many grams of calcium nitrate are needed to make 850 ml of a 3.00 m solution? (molar mass of cano₃ = 102 g/mole)

2) what is the concentration of a solution made by diluting 10 ml of a 12 m hcl solution to a total volume of 2000 ml?

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.