A student mixed 25 grams of salt into 1,000 grams of water. What is the mass of the mixture?
A. 975 grams
B. 1,000 grams
C. 1,025 grams
D. 2,500 grams

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

What is the percent by mass of magnesium sulfate in mgso4.7h2o