What mass of solid Na2CO3 is required to make 250.0mL of a 0.125M solution of Na2CO3?

Is this state true or false a strong acid always has a lower ph than a weak acid?

What is the mass of 37 mL but has the density of 0.79 g/mL

127) Thirty-six colonies grew in nutrient agar from 1.0 ml of undiluted sample in a standard plate count. How many cells were in the original sample?

4) How many grams are there in 7.40 moles of AgNO3

Write the chemical equation for the reaction of propylamine, c3h7nh2 with water.

What is the example to the word camouflage

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4

The mass flow rate of gasoline leaving a refinery is 1610 kg/min. The specific gravity of a gasoline is 0.700. A retail gasoline pump is able to fill a 20.0 gallon automobile tank in 1.80 minutes.

Calculate the solubility of cux (ksp=[cu2+][x2-]=1.27*10-36) in a solution that is 0.190 m in nacn.

An atom has seven valance electrons which element could have this type of atom