1

An unknown substance has a hydronium concentration of [H3O+]=6.8 x

10^-11 M. What kind of substance is this?

A. acid

B. base

C. neutral

D. saline

Which one is denser? question 2 options: the earth (a solid object) the sun, which is about 300,000 times more massive than the earth mars jupiter?

Of the well-characterized elements of group 7A, which would exhibit the following properties? a. It reacts with the alkali metals (M) to form a salt MX, where X is the halogen. b. Its hydrogen halide, HX, forms a weakly acidic solution. c.

How many molecules are in 0.0124 mol of CH2O

What type of reaction K+Cu2SO4

A television weights 8.50 pounds. How many grams is this?

How can a gardener remedy soil that is overly basic.

Cocaine and amphetamines are both classified as

What is the formula for aluminum sulfate?

What is the chemical formula for calcium carbonate

Which statement applies to electronegativity? electronegativity increases as the size of atom increases. electronegativity decreases as the size of atom decreases. there is no correlation between electronegativity and atom size.