How many grams of glucose, C6H12O6, do you need to make a 50 mL solution that has a concentration of 2.0 M? PLEASE HELP ASAP

18.0g of glucose are needed

Explanation:

Molarity, M, is an unit of concentration widely used in chemistry. Is defined as the ratio between moles of solute (In this case, glucose) and liters of solution (50mL = 0.050L).

To solve this question we must find the moles of glucose that we need to prepare the solution. Then, using the molar mass of glucose (180.156g/mol) we can find the mass that we need:

Moles Glucose:

0.050L * (2.0mol / L) = 0.100 moles Glucose

Mass glucose:

0.100moles Glucose * (180.156g / mol) = 18.0g of glucose are needed

*tilts head* sounds more like a statement

you need to take a look at the periodic system in order to sort these elements into pairs that would most likely exhibit similar chemical properties. first, you need to find elements that are found in the same group (groups are vertical in the periodic system), and then to see whether they have the same valence number. if they meet these criteria, they will have similar properties.

the first pair: ne (neon) and kr (krypton), are noble gases found in group 8

the second pair: li (lithium) and k (potassium), found in group 1

the third pair: s (sulfur) and te (tellurium), found in group 6