Question 1 of 10 What coefficient would the O, have after balancing CaH10+ 0, 0, + H2O?
A. 5
B 2.5
o
C: 6,5
D4
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Match the formula for the following compound:   magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o

To calculate the molarity of a solution, you need to know the moles of solute and the

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.