How to find the mass number of an element?

How many grams are in 0.572 moles of glucose, C6H12O6

Marie and Calvin dissolved 10 grams of KNO3 in 100 grams of water at 25oC. Next they added 5 grams more. Calvin told Marie that they could continue to add solute until they reached 40 grams because the solution was still

Manganese forms several oxides when combined with oxygen. One of the oxides (Oxide 1) contains 63.2% of Mn and another oxide (Oxide 2) contains 77.5% Mn. You will show that these compounds obey the law of multiple proportions.

What happens to the molecule AB when it has a bond dipole and the electric field is turned on? Spin the molecule around several times and make observations. What if the bond dipole is zero?

Suppose 25.0 g of solid NaOH is added to 1.50 L of an aqueous solution that is already 2.40 M in NaOH. Then water is added until the nal volume is 4.00 L. Determine the concentration of the NaOH in the resulting solution.

How many Joules are equivalent to 75 Calories?

How do you balance nuclear equations?

Ice melting, water boiling, lighting a match, grape juice freezing. Which statement describes evidence of a chemical reaction

How do the relative concentrations of hydronium ions and hydroxide ions compare in acidic solution?

Give the name of the orange metal visable after one week