which of the following is an electronic device that measures ph? a. a ph meter b. a molarity meter c. a hydroxide meter d. a hyd
1 answer:
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Answer:
400 mg
Explanation:
Given:
A woman with is told by her doctor to take 1,000 mg of calcium carbonate.
Question asked:
How many mg of calcium are in this 1,000 mg regimen of calcium carbonate?
Solution:
As we know:
<em>Amount of elemental calcium in a medicine containing calcium carbonate = 40%</em>
As here doctor prescribed 1000 mg of calcium carbonate to be taken by the woman increasing intake of calcium-containing foods in her diet and including regular weight-bearing exercise, hence amount of elemental calcium in 1,000 mg regimen of calcium carbonate will be,
Therefore, 400 mg of calcium are in this 1,000 mg regimen of calcium carbonate.
The question is incomplete. Complete question is attached below
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Answer:
Equilibrium constant (K) is defined as the ratio of concentration of product to concentration of reactant.
For the reaction: 2H2O(g) ↔ 2H2(g) + O2(g)
Equlibrium constant =![\frac{[H_2]^2[O_2]}{[H_20]^2}](https://tex.z-dn.net/?f=%20%5Cfrac%7B%5BH_2%5D%5E2%5BO_2%5D%7D%7B%5BH_20%5D%5E2%7D%20)
[ ] bracket in above expression indicates concentration.
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Answer:
Equilibrium constant (K) is defined as the ratio of concentration of product to concentration of reactant.
For the reaction: 2H2O(g) ↔ 2H2(g) + O2(g)
Equlibrium constant =
[ ] bracket in above expression indicates concentration.