slickkingjay77777 slickkingjay77777
  • 16-12-2019
  • Chemistry
contestada

1. What is the gram formula mass of Ca(OH),?
(1) 29g
(3) 56 g
(2) 34 9
(4) 74 g

Respuesta :

Аноним Аноним
  • 16-12-2019

Answer:

Ca=40 and 2(OH)=34. Then the answer is 74 grams per mol

Explanation:

Ca= 40 gram

O= 16 gram

H=1 gram

OH=17 gram

1 Ca= 40 gram

2 OH=2*17 gram

Sum these up = 74 grams per mole

Answer Link

Otras preguntas

The atmosphere contains about 80% nitrogen gas, but nitrogen in this form cannot be used by plants. Which process converts atmospheric nitrogen to a useful
A pathogen is always a. a bacterium b. a protist c. a disease-causing agent d. a virus
Make short dialog based on these situations. Use can , can't ,will ,and won't !!! 1.Your friends arrive at your place in the middle of the day. They are very th
Please give me as many words as you can that rhyme with Hearts. It's for a poem at school.
Please help? Simplify:
Give an example of an ethical or moral question that science cannot address.
By increasing the speed of her car  by 5 km/h, Alice was able to drive 12 km in 0.2 hours.  What was her original speed?
Compare and contrast viruses with living organisms
What are the three Pythagorean identities?
In 2 seconds, a ball travels 100 cm. What is the average speed of the ball?