A toothpaste contains 024 by mass sodium fluoride naf and

A toothpaste contains 0.24 % by mass sodium fluoride, NaF and 0.30 % by mass of triclosan, C12H7Cl3O2. The mass of one tube of toothpaste is 119 g.

a) How many moles of C atoms are in the toothpaste?

b) How many fluoride ions are there in 1.50 g of toothpaste?

Predict the atomic radius for selenium se given the atomic : predict the atomic radius for selenium se given the atomic radius of sulfur s 0.104 nm and tellurium te 0.143

What is the actual amount of magnesium oxide produced when : what is the actual amount of magnesium oxide produced when excess carbon dioxide reacts with 42.8grams of magnesium

What concentration of aqueous nh3 is necessary to just : what concentration of aqueous nh3 is necessary to just start precipitation of mnoh2 from a 0.020 m solution of mnso4?

The carbon dioxide that is exhaled by astronauts who are on : the carbon dioxide that is exhaled by astronauts who are on a space shuttle is scrubbed by pumping the air through

A toothpaste contains 024 by mass sodium fluoride naf and : a toothpaste contains 0.24 by mass sodium fluoride naf and 0.30 by mass of triclosan c12h7cl3o2. the mass of one tube

Calculate the molar mass of a vapor that has a density of : calculate the molar mass of a vapor that has a density of 7.535 gl at 14degc and 743

The hope diamond weighs 440 carats determine the volume : the hope diamond weighs 44.0 carats. determine the volume occupied by the diamond given that its density is 3.5 gcm3 at

The canister is placed in an oven until all the has boiled : waters heat of fusion is 80. its specific heat is 1.0 and its heat of vaporization is 540. a canister is filled with

A gas sample containing 155 mol at 25degc exerts a pressure : a gas sample containing 1.55 mol at 25degc exerts a pressure of 387 torr. some gas is added to the same container and