ahmedawintumaalembil ahmedawintumaalembil

03-08-2022
Chemistry

contestada

Calcium Oxide at mass 14.0g react with water. Determine the mass at which the calcium hydroxide formed. [ Ca=40, O=16, H=1]

Respuesta :

mathsoul mathsoul

03-08-2022

Calcium oxide CaO = 40+16 = 56
Calcium hydroxide Ca(OH)_2 = 40+16+16+1+1 = 74

The ratio 56:74 is equal to 14:x with x being the unknown mass.
56/14 = 4
74/4 = 18.5
So the answer is 18.5g assuming the water is in excess

Answer Link

Otras preguntas

what derived unit is usually used to express the density of liquids?

Which of the following is x⁴ + y⁴ identically equal to? (A) (x² + y²)(x + y)(x - y) (B) (x² + xy + y²)(x² - xy + y²) (C) (x² + √2xy + y²)(x² - √2xy + y²) (D) (x

The shape of the clock is a regular dodecagon with a radius of 14cm. Centered on the clock's face is a green circle of radius 9cm. If the region outside the cir

At the concession stand of a school foot ball game, sandwiches cost $1.50 and a bottle of water costs $.90. The school sells 40 sandwiches and 80 bottles of wat

A person sees a ball and kicks it, in part because of actions of the nervous system. Using the parts of the nervous system listed bellow, describe the path of n

Factor the polynomial 6b^2-17b+10

three things scientists learned about earth in beginning of 1800s

If 2x+z=2y and 2x+2y+z=20 what is the value of y?

Simple Machine Lever: A ________ that pivots on top of a fixed point called a _______.

Propane and oxygen react according to the equation: C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(g). How many grams of water can be produced from the complete combustion o