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4 Answered Questions for the topic Calcium

What is the percent mass of calcium in a calcium supplement if 1.33-g of calcium carbonate is extracted from a 2.05-g pill?

What is the percent mass of calcium in a calcium supplement if 1.33-g of calcium carbonate is extracted from a 2.05-g pill?

How many milligrams of calcium is in 1.28-g of calcium carbonate?

How many milligrams of calcium is in 1.28-g of calcium carbonate?
Calcium Chemistry Water

02/23/17

Help me with this. My answer is not coming

The values of Ksp of CaCO3 and CaC2O4 are 4.7 × 10–9 and 1.3 × 10–9 respectively at 25°C. If the mixture of these two is washed with water, what is the concentration of Ca2+ ions in water?
Calcium

02/25/14

whats the electric charge

. What is the electric charge on the calcium ion in calciumchloride, CaCl2?

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